Total bridges
66
Public highway bridges in Gray County
County profile · official public datasets
Gray County, KS
66 public highway bridges tracked in the FHWA National Bridge Inventory: 66.7% rated Good, 33.3% Fair, 0% Poor.
- 66
- Public bridges
- 66.7%
- Good condition
- 0%
- Poor condition
The verdict
According to the Federal Highway Administration's 2024 National Bridge Inventory.
Gray County pairs a top-10% lowest Poor-condition share among rated counties in the state with an older average build year than the state inventory.
- Top 6%
- lowest Poor share in state
- 0%
- Poor-condition share
- 66
- public highway bridges
- 1961
- 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.
Gray County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Gray County ranks #6 of 104 Kansas counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 0%). Gray County, Kansas contains 66 public highway bridges. Roughly 66.7% are rated “Good,” 33.3% “Fair,” and 0% “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
66.7%
44 of 66 rated 7-9
Fair condition
33.3%
22 of 66 rated 5-6
Poor condition
0%
0 of 66 rated 4 or below
In-state Poor-share rank
#6 of 104
Among Kansas counties with 5+ bridges, lower share ranks better
Condition distribution
Share of 66 NBI-tracked bridges by lowest applicable component rating.
Good 66.7% (44)
Fair 33.3% (22)
Poor 0% (0)
71.2% of Gray County's bridges have passed the 50-year mark
47 of the 66 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 66.7% 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.
When Gray County's bridges were built
66 bridges with a recorded construction year, grouped by decade
- 1930s
1930–1939
17 bridges
- 1950s
1950–1959
17 bridges
- 1960s
1960–1969
11 bridges
- 1970s 4
1970–1979
4 bridges
- 1980s
1980–1989
10 bridges
- 1990s 6
1990–1999
6 bridges
- 2020s 1
2020–2029
1 bridges
What this shows Construction peaked in the 1930s, when 17 of the county's bridges still in the inventory were built, which is 25.8% of those with a recorded year. That cohort is now 85 to 94 years old in the 2024 inventory. Its average build year is 1961, 11 years older than the Kansas average of 1972.
How Gray County compares with Kansas's closest counties by inventory size
The 5 Kansas counties nearest Gray County in number of bridges, with their condition splits. Its 0% Poor share is the 3rd-lowest of these 6. Its average build year of 1961 against a peer-group mean of 1966 is 5 years older.
Showing the 5 closest of 103 Kansas counties eligible for comparison.
| County | Bridges | Good | Fair | Poor | Avg. built |
|---|---|---|---|---|---|
| Finney County | 78 | 67.9% | 29.5% | 2.6% | 1972 |
| Kearny County | 72 | 41.7% | 58.3% | 0% | 1968 |
| Edwards County | 69 | 26.1% | 69.6% | 4.3% | 1970 |
| Hamilton County | 68 | 88.2% | 11.8% | 0% | 1955 |
| Gray County (this page) | 66 | 66.7% | 33.3% | 0% | 1961 |
| Logan County | 55 | 60% | 36.4% | 3.6% | 1967 |
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 Gray 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 Gray County, both outside Kansas so the neighborhoods are not the same-state size table above.
Similar inventory size
Nearest county inventories outside KS (66 bridges here).
- Chugach County, AK · 66 bridges
- Inyo County, CA · 66 bridges
- Broomfield County, CO · 66 bridges
- Cook County, GA · 66 bridges
Similar average build year
Nearest mean year-built outside KS (1961 here).
- Westchester County, NY · avg 1961 · 774 bridges
- Tehama County, CA · avg 1961 · 450 bridges
- Berkshire County, MA · avg 1961 · 450 bridges
- Schuylkill County, PA · avg 1961 · 368 bridges
Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.
All bridges (66)
P Road
GoodOver: TRIB. TO ARKANSAS RIVER
1.5S 5.9E OF CIMARRON, Gray, KS
Built 1979 Load: 21.2 t ADT: 30
K23 HWY
GoodOver: BUCKNER CREEK
9.48 MI N US50, Gray, KS
Built 1935 Load: 21.8 t ADT: 1,150
RS 251 - KK Road
GoodOver: TRIB. TO CROOKED CREEK
12.0S 0.9E OF ENSIGN, Gray, KS
Built 1972 Load: 24.9 t ADT: 35
US50/US400 HWY
GoodOver: ARKANSAS RIVER DRAINAGE
1.83 MI E K23, Gray, KS
Built 1933 Load: 25.4 t ADT: 6,550
US50/US400 HWY
GoodOver: ARKANSAS RIVER DRAINAGE
3.28 MI E K23, Gray, KS
Built 1937 Load: 26.3 t ADT: 6,550
RS 949 - E Road
GoodOver: BUCKNER CREEK
0.1E 9.0N OF CIMARRON, Gray, KS
Built 1994 Load: 26.7 t ADT: 130
II Road
GoodOver: TRIB. TO CROOKED CREEK
6.0S 7.6E OF MONTEZUMA, Gray, KS
Built 1991 Load: 27.0 t ADT: 15
US50/US400 HWY
GoodOver: ARKANSAS RIVER DRAINAGE
0.01 MI E FINNEY COLN, Gray, KS
Built 1953 Load: 27.2 t ADT: 5,050
II Road
GoodOver: TRIB. TO CROOKED CREEK
10.0S 0.1W OF ENSIGN, Gray, KS
Built 1988 Load: 28.0 t ADT: 20
RS 949 - E Road
GoodOver: BUCKNER CREEK
0.2E 9.0N OF CIMARRON, Gray, KS
Built 1994 Load: 28.7 t ADT: 130
Road 4
GoodOver: TRIB. TO CROOKED CREEK
4.5S 1.4E OF COPELAND, Gray, KS
Built 1994 Load: 28.7 t ADT: 20
US50/US400 HWY
GoodOver: ARKANSAS RIVER DRAINAGE
2.39 MI E FINNEY COLN, Gray, KS
Built 1953 Load: 31.8 t ADT: 5,050
RS 1453 - S Road
GoodOver: TRIB. TO ARKANSAS RIVER
6.0N 0.5W OF ENSIGN, Gray, KS
Built 1965 Load: 32.7 t ADT: 210
R Road
GoodOver: TRIB. TO ARKANSAS RIVER
7.0N 0.3W OF ENSIGN, Gray, KS
Built 1994 Load: 35.4 t ADT: 30
RS 285 - Road 6.5
GoodOver: ARKANSAS RIVER
1.0S OF CHARLESTON, Gray, KS
Built 2022 Load: 36.9 t ADT: 146
K-23 HIGHWAY
GoodOver: ARKANSAS RIVER
0.60 MI. SOUTH OF US-50, Gray, KS
Built 1984 Load: 44.5 t ADT: 1,850
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.