Total bridges
244
Public highway bridges in Spencer County
County profile · official public datasets
Spencer County, IN
244 public highway bridges tracked in the FHWA National Bridge Inventory: 48.8% rated Good, 50% Fair, 1.2% Poor.
- 244
- Public bridges
- 48.8%
- Good condition
- 1.2%
- Poor condition
The verdict
According to the Federal Highway Administration's 2024 National Bridge Inventory.
Spencer County posts a top-10% lowest Poor-condition share among rated counties in the state across mid-size county bridge inventory.
- Top 9%
- lowest Poor share in state
- 1.2%
- Poor-condition share
- 244
- public highway bridges
- 1982
- 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.
Spencer County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Spencer County ranks #8 of 92 Indiana counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 1.2%). Spencer County, Indiana contains 244 public highway bridges. Roughly 48.8% are rated “Good,” 50% “Fair,” and 1.2% “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
48.8%
119 of 244 rated 7-9
Fair condition
50%
122 of 244 rated 5-6
Poor condition
1.2%
3 of 244 rated 4 or below
In-state Poor-share rank
#8 of 92
Among Indiana counties with 5+ bridges, lower share ranks better
Condition distribution
Share of 244 NBI-tracked bridges by lowest applicable component rating.
Good 48.8% (119)
Fair 50% (122)
Poor 1.2% (3)
Spencer County's Poor-condition bridges carry 2,699 vehicle crossings a day
That is 0.6% of the county's reported daily bridge traffic on 1.2% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 900 crossings a day against 2,069 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 244 of 244 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.
24.2% of Spencer County's bridges have passed the 50-year mark
59 of the 244 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 48.8% 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 94.4% of the county's Poor-condition bridge traffic
SR 162 over BRANCH CROOKED CREEK, built 1987, carries 2,549 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 3-bridge count understates how much of the daily burden sits on a single crossing.
Share is of the 2,699 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.
When Spencer County's bridges were built
244 bridges with a recorded construction year, grouped by decade
- pre-1900 4
Built before 1900
4 bridges
- 1900s 4
1900–1909
4 bridges
- 1910s 4
1910–1919
4 bridges
- 1920s 7
1920–1929
7 bridges
- 1930s 9
1930–1939
9 bridges
- 1940s 5
1940–1949
5 bridges
- 1950s 6
1950–1959
6 bridges
- 1960s 9
1960–1969
9 bridges
- 1970s 25
1970–1979
25 bridges
- 1980s
1980–1989
65 bridges
- 1990s
1990–1999
49 bridges
- 2000s
2000–2009
37 bridges
- 2010s 18
2010–2019
18 bridges
- 2020s 2
2020–2029
2 bridges
What this shows Construction peaked in the 1980s, when 65 of the county's bridges still in the inventory were built, which is 26.6% of those with a recorded year. That cohort is now 35 to 44 years old in the 2024 inventory. Its average build year (1982) matches the Indiana average (1978).
How Spencer County compares with Indiana's closest counties by inventory size
The 5 Indiana counties nearest Spencer County in number of bridges, with their condition splits. Its 1.2% Poor share is the 1st-lowest of these 6. Its average build year of 1982 against a peer-group mean of 1983 is in line with the group.
Showing the 5 closest of 91 Indiana counties eligible for comparison.
| County | Bridges | Good | Fair | Poor | Avg. built |
|---|---|---|---|---|---|
| Montgomery County | 252 | 51.2% | 46.4% | 2.4% | 1983 |
| Morgan County | 252 | 50.4% | 45.6% | 4% | 1986 |
| Shelby County | 247 | 32.4% | 60.3% | 7.3% | 1974 |
| Spencer County (this page) | 244 | 48.8% | 50% | 1.2% | 1982 |
| Greene County | 239 | 43.9% | 46.9% | 9.2% | 1982 |
| Monroe County | 232 | 62.1% | 35.8% | 2.2% | 1988 |
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 Spencer 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 Spencer County, both outside Indiana so the neighborhoods are not the same-state size table above.
Similar inventory size
Nearest county inventories outside IN (244 bridges here).
- Norton County, KS · 244 bridges
- Osborne County, KS · 244 bridges
- Allegan County, MI · 244 bridges
- Seward County, NE · 244 bridges
Similar average build year
Nearest mean year-built outside IN (1982 here).
- Oklahoma County, OK · avg 1982 · 1,216 bridges
- Jackson County, MO · avg 1982 · 930 bridges
- Milwaukee County, WI · avg 1982 · 893 bridges
- Champaign County, IL · avg 1982 · 727 bridges
Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.
Fair-condition bridges (122)
CR 450W
FairOver: LAKE DRAIN
00.51 S of CR 600 N, Spencer, IN
Built 1976 Load: 32.2 t ADT: 220
SR 62
FairOver: BUCKHORN CREEK
01.40 S SR 162, Spencer, IN
Built 1922 Load: 32.4 t ADT: 5,376
SR 66
FairOver: LITTLE BRANCH CREEK
03.34 W SR 70, Spencer, IN
Built 1932 Load: 32.7 t ADT: 2,760
SR 161
FairOver: WRIGHT DRAIN
04.83 S SR 66, Spencer, IN
Built 1939 Load: 32.7 t ADT: 11,403
CR 500S
FairOver: CANEY CREEK
01.60 E SR 161, Spencer, IN
Built 1925 Load: 32.7 t ADT: 30
CR 420W
FairOver: CREEK TO OHIO RIVER
00.01 N of CR 560 S, Spencer, IN
Built 1915 Load: 32.7 t ADT: 60
CR 400W
FairOver: WILLOW POND DITCH
00.58 S of SR 66, Spencer, IN
Built 1910 Load: 32.7 t ADT: 100
CR 750W
FairOver: BAKER CREEK
00.66 N of CR 200 N, Spencer, IN
Built 1985 Load: 32.7 t ADT: 100
CR 50S
FairOver: WILLOW POND DITCH
00.28 W of CR 850 W, Spencer, IN
Built 1998 Load: 32.7 t ADT: 130
CR 300N
FairOver: BRANCH HUFFMAN DITCH
00.30 E of CR 200 W, Spencer, IN
Built 2003 Load: 32.7 t ADT: 170
CR 200W
FairOver: HUFFMAN DITCH
00.02 S of CR 300 N, Spencer, IN
Built 1905 Load: 32.7 t ADT: 80
CR 200W
FairOver: BRANCH HUFFMAN DITCH
00.11 S of CR 500 N, Spencer, IN
Built 1925 Load: 32.7 t ADT: 140
CR 950N
FairOver: ANDERSON RIVER
00.89 E of SR 545, Spencer, IN
Built 1979 Load: 32.7 t ADT: 110
CR 300E
FairOver: N FORK LITTLE PIGEON CR
00.78 N of CR 2000 N, Spencer, IN
Built 1925 Load: 32.7 t ADT: 40
CR 100N
FairOver: WILLOW POND DITCH
00.14 E of CR 1000 W, Spencer, IN
Built 1908 Load: 32.7 t ADT: 60
CR 450W
FairOver: BAKER CREEK
00.50 N of CR 300 N, Spencer, IN
Built 1984 Load: 32.7 t ADT: 110
CR 105W
FairOver: LITTLE PIGEON CREEK
00.18 N of CR 1475 N, Spencer, IN
Built 1989 Load: 32.7 t ADT: 40
CR 620N
FairOver: LITTLE SANDY CREEK
00.45 E of CR 650 E, Spencer, IN
Built 1986 Load: 32.7 t ADT: 60
CR 100N
FairOver: TOWER DRAIN
00.64 W of SR 66, Spencer, IN
Built 1929 Load: 32.7 t ADT: 890
CR 100N
FairOver: TOWER DRAIN
00.24 W of CR 900 W, Spencer, IN
Built 1950 Load: 32.7 t ADT: 850
CR 100N
FairOver: TOWER DRAIN
00.12 E of CR 900 W, Spencer, IN
Built 1948 Load: 32.7 t ADT: 890
CR 300E
FairOver: DAVIS ENLOW DITCH
00.25 S of CR 1700 N, Spencer, IN
Built 1965 Load: 32.7 t ADT: 1,270
I-64 EB
FairOver: HUNLEY CREEK
02.41 W SR 162, Spencer, IN
Built 1972 Load: 33.0 t ADT: 13,170
I-64 WBL
FairOver: HUNLEY CREEK
02.41 W SR 162, Spencer, IN
Built 1972 Load: 33.0 t ADT: 13,170
CR 1600N
FairOver: MIDDLE FORK CROOKED CR
01.07 E of SR 162, Spencer, IN
Built 1995 Load: 33.2 t ADT: 110
SR 245
FairOver: CROOKED CREEK
03.92 N SR 70, Spencer, IN
Built 1952 Load: 33.4 t ADT: 1,613
CR 450W RIVER RD
FairOver: GARRETT CREEK
00.45 S of CR 440 S, Spencer, IN
Built 1981 Load: 33.5 t ADT: 60
CR 200E
FairOver: LITTLE PIGEON CREEK
00.12 S of CR 1350 N, Spencer, IN
Built 1989 Load: 33.5 t ADT: 100
CR 200W
FairOver: HUFFMAN DITCH
00.25 S of CR 200 N, Spencer, IN
Built 1979 Load: 33.6 t ADT: 130
CR 850W
FairOver: HOOPPOLE DITCH
00.30 N of CR 400 N, Spencer, IN
Built 1980 Load: 34.0 t ADT: 60
CR 700W
FairOver: BAKER CREEK
00.58 N of CR 200 N, Spencer, IN
Built 1989 Load: 34.1 t ADT: 100
CR 400N
FairOver: BRANCH HONEY CREEK
00.53 W of US 231, Spencer, IN
Built 1981 Load: 34.2 t ADT: 100
SR 66
FairOver: SANDY CREEK
05.35 E US 231, Spencer, IN
Built 1982 Load: 34.3 t ADT: 2,760
US 231
FairOver: OHIO RIVER SR 66
00.40 S OF SR 66, Spencer, IN
Built 2002 Load: 34.3 t ADT: 8,254
CR 750W
FairOver: WILLOW POND DITCH
00.50 N of CR 50 S, Spencer, IN
Built 1969 Load: 35.3 t ADT: 80
CR 900W
FairOver: BAKER CREEK
00.19 N of CR 150 N, Spencer, IN
Built 1976 Load: 35.4 t ADT: 640
CR 750N
FairOver: SANDY CREEK
00.45 W of CR 475 E, Spencer, IN
Built 1989 Load: 35.7 t ADT: 100
SR 545
FairOver: MEINRAD HOLLOW
01.81 S SR 62, Spencer, IN
Built 1939 Load: 36.2 t ADT: 1,461
SR 62
FairOver: LONGS BRANCH
00.24 N JCT CR 1200 N, Spencer, IN
Built 1954 Load: 36.6 t ADT: 5,376
US 231 SB
FairOver: LITTLE PIGEON CREEK
01.12 S SR 62, Spencer, IN
Built 2008 Load: 36.6 t ADT: 4,800
CR 700W
FairOver: HATFIELD DITCH
00.59 N of SR 66, Spencer, IN
Built 1987 Load: 36.6 t ADT: 100
CR 500N
FairOver: BRANCH HOOPPOLE DITCH
00.18 W of SR 161, Spencer, IN
Built 1975 Load: 37.3 t ADT: 190
CR 150N
FairOver: BAKER CREEK
00.05 W of CR 900 W, Spencer, IN
Built 1960 Load: 37.5 t ADT: 100
CR 800W
FairOver: WILLOW POND DITCH
00.27 N of CR 50 S, Spencer, IN
Built 1994 Load: 37.6 t ADT: 320
CR 400N
FairOver: HOOPPOLE DITCH
01.03 W of SR 161, Spencer, IN
Built 1977 Load: 37.8 t ADT: 510
CR 1300E
FairOver: SWINGING CREEK
00.25 S of SR 545, Spencer, IN
Built 1898 Load: 37.8 t ADT: 40
SR 66
FairOver: CROOKED CREEK
00.17 E SR 70, Spencer, IN
Built 1986 Load: 37.9 t ADT: 5,651
CR 1100N
FairOver: E FORK LITTLE PIGEON CR
00.20 E of US 231, Spencer, IN
Built 1976 Load: 38.2 t ADT: 140
SR 62
FairOver: HURRICANE CREEK
01.34 E SR 545, Spencer, IN
Built 1982 Load: 38.6 t ADT: 802
CR 850W
FairOver: WILLOW POND DITCH
00.17 N of CR 50 S, Spencer, IN
Built 1969 Load: 38.7 t ADT: 510
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.