Total bridges
130
Public highway bridges in Kit Carson County
County profile · official public datasets
Kit Carson County, CO
130 public highway bridges tracked in the FHWA National Bridge Inventory: 30.8% rated Good, 67.7% Fair, 1.5% Poor.
- 130
- Public bridges
- 30.8%
- Good condition
- 1.5%
- Poor condition
The verdict
According to the Federal Highway Administration's 2024 National Bridge Inventory.
Kit Carson County pairs a top-quartile lowest Poor-condition share among rated counties in the state with an older average build year than the state inventory.
- Top 16%
- lowest Poor share in state
- 1.5%
- Poor-condition share
- 130
- public highway bridges
- 1970
- avg year built
Poor is an FHWA condition category from the lowest applicable component rating (4 or below), not a live crossing-safety or closure decision. Rankings cover counties with at least five public highway bridges.
Kit Carson County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Kit Carson County ranks #10 of 64 Colorado counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 1.5%). Kit Carson County, Colorado contains 130 public highway bridges. Roughly 30.8% are rated “Good,” 67.7% “Fair,” and 1.5% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.
Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Good condition
30.8%
40 of 130 rated 7-9
Fair condition
67.7%
88 of 130 rated 5-6
Poor condition
1.5%
2 of 130 rated 4 or below
In-state Poor-share rank
#10 of 64
Among Colorado counties with 5+ bridges, lower share ranks better
Condition distribution
Share of 130 NBI-tracked bridges by lowest applicable component rating.
Good 30.8% (40)
Fair 67.7% (88)
Poor 1.5% (2)
Kit Carson County's Poor-condition bridges carry 374 vehicle crossings a day
That is 0.2% of the county's reported daily bridge traffic on 1.5% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 187 crossings a day against 719 for a Good-condition one. A Poor rating is a condition category, not a closure or a live safety judgement; it means the lowest applicable component rating is 4 or below.
Computed over the 130 of 130 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.
69.2% of Kit Carson County's bridges have passed the 50-year mark
90 of the 130 bridges with a recorded construction year were built in 1974 or earlier. Age alone is not a defect: a well-maintained older bridge can rate Good, and 30.8% of this county's inventory does. Even so, this older cohort is the population from which future Poor ratings are drawn, which is why the age profile below matters alongside the condition split above.
Cutoff derives from the 2024 release year minus a 50-year design life. Source: FHWA National Bridge Inventory, 2024 release.
One structure carries 90.6% of the county's Poor-condition bridge traffic
COUNTY ROAD 31 over SPRING CREEK, built 1936, carries 339 vehicles a day, the most of any Poor-rated structure here. The county's Poor-condition exposure is concentrated rather than evenly spread, so the 2-bridge count understates how much of the daily burden sits on a single crossing.
Share is of the 374 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.
When Kit Carson County's bridges were built
130 bridges with a recorded construction year, grouped by decade
- 1920s 2
1920–1929
2 bridges
- 1930s 6
1930–1939
6 bridges
- 1940s 3
1940–1949
3 bridges
- 1950s 9
1950–1959
9 bridges
- 1960s
1960–1969
60 bridges
- 1970s 19
1970–1979
19 bridges
- 1980s 14
1980–1989
14 bridges
- 1990s 14
1990–1999
14 bridges
- 2000s 2
2000–2009
2 bridges
- 2010s 1
2010–2019
1 bridges
What this shows Construction peaked in the 1960s, when 60 of the county's bridges still in the inventory were built, which is 46.2% of those with a recorded year. That cohort is now 55 to 64 years old in the 2024 inventory. Its average build year is 1970, 12 years older than the Colorado average of 1982.
How Kit Carson County compares with Colorado's closest counties by inventory size
The 5 Colorado counties nearest Kit Carson County in number of bridges, with their condition splits. Its 1.5% Poor share is the 1st-lowest of these 6. Its average build year of 1970 against a peer-group mean of 1972 is in line with the group.
Showing the 5 closest of 63 Colorado counties eligible for comparison.
| County | Bridges | Good | Fair | Poor | Avg. built |
|---|---|---|---|---|---|
| Fremont County | 137 | 19.7% | 73.7% | 6.6% | 1966 |
| Prowers County | 137 | 17.5% | 69.3% | 13.1% | 1974 |
| Kit Carson County (this page) | 130 | 30.8% | 67.7% | 1.5% | 1970 |
| Lincoln County | 129 | 17.8% | 74.4% | 7.8% | 1977 |
| Montrose County | 118 | 36.4% | 61% | 2.5% | 1980 |
| Baca County | 106 | 21.7% | 72.6% | 5.7% | 1963 |
Each share is of that county's own total tracked bridges; peers are the counties with 5 or more bridges whose inventory size is closest to Kit Carson County's. Source: FHWA National Bridge Inventory, 2024 release.
Nationwide counties with similar inventory size or average build year
Two NBI-derived peer sets for Kit Carson County, both outside Colorado so the neighborhoods are not the same-state size table above.
Similar inventory size
Nearest county inventories outside CO (130 bridges here).
- Bay County, FL · 130 bridges
- Lowndes County, GA · 130 bridges
- Whitfield County, GA · 130 bridges
- Monroe County, IA · 130 bridges
Similar average build year
Nearest mean year-built outside CO (1970 here).
- Hamilton County, OH · avg 1970 · 783 bridges
- Yavapai County, AZ · avg 1970 · 543 bridges
- Garfield County, OK · avg 1970 · 504 bridges
- San Luis Obispo County, CA · avg 1970 · 401 bridges
Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.
All bridges (130)
COUNTY ROAD 29
FairOver: N. FK. SMOKY HILL RIVER
0.5 MILES SOUTH OF ROAD C, Kit Carson, CO
Built 1930 Load: 6.4 t ADT: 7
SH 59 ML
FairOver: E SPRING CREEK TRIB.
12.9 MI S OF JCT I 70, Kit Carson, CO
Built 1969 Load: 14.1 t ADT: 380
COUNTY ROAD 39
FairOver: REPUBLICAN RIVER
0.2 MILES SOUTH OF ROAD N, Kit Carson, CO
Built 1954 Load: 14.9 t ADT: 31
COUNTY ROAD NN
FairOver: S.FORK ARIKAREE RIVER
2.2 MILES WEST OF ROAD 4, Kit Carson, CO
Built 1959 Load: 15.5 t ADT: 9
COUNTY ROAD 5
FairOver: I 70 ML
Flagler Interchange, Kit Carson, CO
Built 1975 Load: 16.2 t ADT: 1,244
COUNTY ROAD 12
FairOver: I 70 ML
7.2 MI E. OF FLAGLER, Kit Carson, CO
Built 1975 Load: 16.2 t ADT: 15
COUNTY ROAD 35
FairOver: LANDSMAN CREEK
0.7 MILES NORTH OF ROAD R, Kit Carson, CO
Built 1966 Load: 16.2 t ADT: 24
COUNTY ROAD HH
FairOver: BEAVER CREEK
0.8 MILES WEST OF ROAD 55, Kit Carson, CO
Built 1957 Load: 16.2 t ADT: 37
COUNTY ROAD 6
FairOver: DUCK CREEK
2.3 MILES NORTH OF ROAD V, Kit Carson, CO
Built 1965 Load: 16.7 t ADT: 67
COUNTY ROAD NN
FairOver: LANDSMAN CREEK
1.7 MILES NW OF RD 49, Kit Carson, CO
Built 1970 Load: 17.1 t ADT: 17
COUNTY ROAD MM
FairOver: DRY GULCH
0.8 MILES WEST OF ROAD 44, Kit Carson, CO
Built 1974 Load: 17.2 t ADT: 3
COUNTY ROAD GG
FairOver: LITTLE BEAVER CREEK
1.2 MILES EAST OF ROAD 55, Kit Carson, CO
Built 1960 Load: 17.3 t ADT: 3
COUNTY ROAD 57
FairOver: MIDDLE BEAVER CREEK
0.8 MILES NORTH OF ROAD V, Kit Carson, CO
Built 1965 Load: 17.6 t ADT: 70
COUNTY ROAD 44
FairOver: DRY GULCH
2.0 MILES NORTH OF ROAD M, Kit Carson, CO
Built 1981 Load: 18.1 t ADT: 43
US 24 ML
FairOver: SPRING CREEK
2 MI W OF STRATTON, Kit Carson, CO
Built 1931 Load: 18.9 t ADT: 350
COUNTY ROAD 40
FairOver: TRIB. TO LANDSMAN CREEK
4.7 MI N OF I-70, Kit Carson, CO
Built 1930 Load: 19.3 t ADT: 262
COUNTY ROAD T
FairOver: SAND CREEK
0.6 MILES EAST OF ROAD 49, Kit Carson, CO
Built 1965 Load: 19.4 t ADT: 53
COUNTY ROAD M
FairOver: SPRING CREEK TRIBUTARY
0.5 MILES EAST OF ROAD 23, Kit Carson, CO
Built 1995 Load: 20.5 t ADT: 5
COUNTY ROAD S
FairOver: SAND CREEK
0.7 MILES WEST OF HWY 385, Kit Carson, CO
Built 1987 Load: 20.9 t ADT: 159
COUNTY ROAD 4
FairOver: BUFFALO CREEK
0.2 MILES SOUTH OF ROAD A, Kit Carson, CO
Built 1982 Load: 21.0 t ADT: 191
COUNTY ROAD 49
FairOver: UNNAMED DRAINAGE
2.1 MILES NORTH OF ROAD G, Kit Carson, CO
Built 1940 Load: 21.6 t ADT: 33
COUNTY ROAD 27
FairOver: I 70 ML
22.4 MI E OF FLAGLER, Kit Carson, CO
Built 1965 Load: 21.8 t ADT: 38
COUNTY ROAD 30
FairOver: I 70 ML
0.5 MILE W OF STRATTON, Kit Carson, CO
Built 1965 Load: 21.8 t ADT: 419
COUNTY ROAD 34
FairOver: I 70 ML
3.5 MI. E OF JCT S.H. 57, Kit Carson, CO
Built 1965 Load: 21.8 t ADT: 40
COUNTY ROAD 37
FairOver: I 70 ML
6.5 MI. E. OF JCT. SH 57, Kit Carson, CO
Built 1965 Load: 21.8 t ADT: 46
COUNTY ROAD 53
FairOver: BEAVER CREEK
0.5 MILES SOUTH OF ROAD G, Kit Carson, CO
Built 1989 Load: 22.1 t ADT: 17
US 24 ML
FairOver: SAND CREEK
2 MI W OF SEIBERT, Kit Carson, CO
Built 1933 Load: 22.5 t ADT: 21
COUNTY ROAD 43
FairOver: I 70 ML
7.6 MI. E. OF JCT SH 57, Kit Carson, CO
Built 1966 Load: 22.5 t ADT: 98
COUNTY ROAD 30
FairOver: BRANCH OF LANDSMAN CREEK
0.4 MILES NORTH OF ROAD G, Kit Carson, CO
Built 1959 Load: 22.6 t ADT: 318
COUNTY ROAD 40
FairOver: LANDSMAN CREEK
3.2 MILES NORTH OF I-70, Kit Carson, CO
Built 1972 Load: 23.9 t ADT: 301
COUNTY ROAD 3
FairOver: I 70 ML
2.0 MI W. OF FLAGLER, Kit Carson, CO
Built 1975 Load: 24.2 t ADT: 14
US 24 ML
FairOver: SPRING CREEK
0.5 MI E OF VONA, Kit Carson, CO
Built 1928 Load: 24.5 t ADT: 350
COUNTY ROAD 5
FairOver: SAND CREEK
4.7 MILES SOUTH OF ROAD R, Kit Carson, CO
Built 1923 Load: 25.3 t ADT: 66
SH 59 ML
FairOver: E SPRING CREEK TRIB.
16.1 MI S OF JCT I 70, Kit Carson, CO
Built 1960 Load: 25.6 t ADT: 380
COUNTY ROAD 35
FairOver: N. FK. SMOKY HILL RIVER
0.8 MILES SOUTH OF ROAD B, Kit Carson, CO
Built 1981 Load: 27.3 t ADT: 40
I 70 ML WBND
FairOver: SAND CREEK
16.5 MI W OF JCT S.H. 57, Kit Carson, CO
Built 1964 Load: 27.9 t ADT: 5,000
COUNTY ROAD 40
FairOver: DRY GULCH
.2 MI N OF CR FF, Kit Carson, CO
Built 1979 Load: 27.9 t ADT: 117
I 70 VONA SPUR
FairOver: I 70 ML
18.5 M. E. OF FLAGLER, Kit Carson, CO
Built 1964 Load: 28.4 t ADT: 160
SH 57 ML
FairOver: I 70 ML
Stratton Exit, Kit Carson, CO
Built 1965 Load: 28.4 t ADT: 1,800
COUNTY ROAD 40
FairOver: I 70 ML
9.5 MI. E. OF JCT. SH 57, Kit Carson, CO
Built 1966 Load: 28.4 t ADT: 339
COUNTY ROAD 4
FairOver: DUCK CREEK
1.0 MILES NORTH OF ROAD V, Kit Carson, CO
Built 1964 Load: 29.1 t ADT: 201
COUNTY ROAD 53
FairOver: BONNY CREEK
0.5 MILES SOUTH CR NN, Kit Carson, CO
Built 1992 Load: 29.8 t ADT: 12
COUNTY ROAD R
FairOver: S.FORK REPUBLICAN RIVER
0.8 MILES EAST OF ROAD 5, Kit Carson, CO
Built 1982 Load: 30.1 t ADT: 11
I 70 ML WBND
FairOver: SPRING CREEK
7.6 MI. W. OF JCT. SH 57, Kit Carson, CO
Built 1964 Load: 30.2 t ADT: 4,500
COUNTY ROAD G
FairOver: LANDSMAN CREEK
0.7 MILES WEST OF ROAD 28, Kit Carson, CO
Built 1992 Load: 30.3 t ADT: 55
COUNTY ROAD 5
FairOver: S.FORK REPUBLICAN RIVER
1.7 MILES SOUTH OF ROAD R, Kit Carson, CO
Built 1940 Load: 30.5 t ADT: 26
US 385 ML
FairOver: I 70 ML
BURLINGTON, Kit Carson, CO
Built 1968 Load: 30.6 t ADT: 2,800
COUNTY ROAD 30
FairOver: LANDSMAN CREEK
2 MI S OF COUNTY RD M, Kit Carson, CO
Built 1986 Load: 30.6 t ADT: 395
I 70 ML WBND
FairOver: COUNTY ROAD 59
1.3 MI. W. OF COLO.-KANSA, Kit Carson, CO
Built 1969 Load: 30.8 t ADT: 4,950
I 70 ML EBND
FairOver: COUNTY ROAD 53
5.4 MI. E. OF HWY 385, Kit Carson, CO
Built 1969 Load: 30.8 t ADT: 4,950
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.