Total bridges
152
Public highway bridges in Clinton County
County profile · official public datasets
Clinton County, MO
152 public highway bridges tracked in the FHWA National Bridge Inventory: 34.9% rated Good, 55.3% Fair, 9.9% Poor.
- 152
- Public bridges
- 34.9%
- Good condition
- 9.9%
- Poor condition
The verdict
According to the Federal Highway Administration's 2024 National Bridge Inventory.
Clinton County posts a higher-than-median Poor-condition share among rated counties in the state across mid-size county bridge inventory.
- 65th
- of 115 on Poor share
- 9.9%
- Poor-condition share
- 152
- public highway bridges
- 1983
- 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.
Clinton County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Clinton County ranks #65 of 115 Missouri counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 9.9%). Clinton County, Missouri contains 152 public highway bridges. Roughly 34.9% are rated “Good,” 55.3% “Fair,” and 9.9% “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
34.9%
53 of 152 rated 7-9
Fair condition
55.3%
84 of 152 rated 5-6
Poor condition
9.9%
15 of 152 rated 4 or below
In-state Poor-share rank
#65 of 115
Among Missouri counties with 5+ bridges, lower share ranks better
Condition distribution
Share of 152 NBI-tracked bridges by lowest applicable component rating.
Good 34.9% (53)
Fair 55.3% (84)
Poor 9.9% (15)
Clinton County's Poor-condition bridges carry 669 vehicle crossings a day
That is 0.4% of the county's reported daily bridge traffic on 9.9% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 45 crossings a day against 1,230 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 152 of 152 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.
29.6% of Clinton County's bridges have passed the 50-year mark
45 of the 152 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 34.9% 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 28.3% of the county's Poor-condition bridge traffic
RT K S over SLOAN BR, built 1960, carries 189 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 15-bridge count understates how much of the daily burden sits on a single crossing.
Share is of the 669 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.
When Clinton County's bridges were built
152 bridges with a recorded construction year, grouped by decade
- 1900s 2
1900–1909
2 bridges
- 1910s 1
1910–1919
1 bridges
- 1920s 2
1920–1929
2 bridges
- 1930s 11
1930–1939
11 bridges
- 1940s 1
1940–1949
1 bridges
- 1950s 4
1950–1959
4 bridges
- 1960s
1960–1969
21 bridges
- 1970s 7
1970–1979
7 bridges
- 1980s
1980–1989
25 bridges
- 1990s
1990–1999
43 bridges
- 2000s
2000–2009
19 bridges
- 2010s 12
2010–2019
12 bridges
- 2020s 4
2020–2029
4 bridges
What this shows Construction peaked in the 1990s, when 43 of the county's bridges still in the inventory were built, which is 28.3% of those with a recorded year. That cohort is now 25 to 34 years old in the 2024 inventory. Its average build year (1983) matches the Missouri average (1979).
How Clinton County compares with Missouri's closest counties by inventory size
The 5 Missouri counties nearest Clinton County in number of bridges, with their condition splits. Its 9.9% Poor share is the 3rd-lowest of these 6. Its average build year of 1983 against a peer-group mean of 1976 is 7 years newer.
Showing the 5 closest of 114 Missouri counties eligible for comparison.
| County | Bridges | Good | Fair | Poor | Avg. built |
|---|---|---|---|---|---|
| Washington County | 157 | 33.8% | 56.1% | 10.2% | 1966 |
| Phelps County | 156 | 28.2% | 63.5% | 8.3% | 1968 |
| Clinton County (this page) | 152 | 34.9% | 55.3% | 9.9% | 1983 |
| Taney County | 151 | 31.1% | 58.9% | 9.9% | 1985 |
| Warren County | 151 | 31.8% | 64.2% | 4% | 1986 |
| McDonald County | 145 | 25.5% | 63.4% | 11% | 1976 |
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 Clinton 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 Clinton County, both outside Missouri so the neighborhoods are not the same-state size table above.
Similar inventory size
Nearest county inventories outside MO (152 bridges here).
- Logan County, AR · 152 bridges
- Kosciusko County, IN · 152 bridges
- Muhlenberg County, KY · 152 bridges
- Mineral County, MT · 152 bridges
Similar average build year
Nearest mean year-built outside MO (1983 here).
- Dallas County, TX · avg 1983 · 3,230 bridges
- Bexar County, TX · avg 1983 · 2,342 bridges
- Sedgwick County, KS · avg 1983 · 1,333 bridges
- Will County, IL · avg 1983 · 649 bridges
Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.
All bridges (152)
NW 278TH ST
FairOver: ROBERTS BR
S 9 T 55 N R 32 W, Clinton, MO
Built 1986 Load: 12.6 t ADT: 25
NW 312TH ST
FairOver: CASTILE CR
S 21 T 56 N R 32 W, Clinton, MO
Built 1980 Load: 13.5 t ADT: 35
SE DOWNING ST
FairOver: NEW HOPE CR
S 21 T 54 N R 30 W, Clinton, MO
Built 1987 Load: 14.4 t ADT: 40
NE DUDLEY RD
FairOver: FK OF LIT PLATTE R
S 9 T 56 N R 31 W, Clinton, MO
Built 2007 Load: 14.4 t ADT: 10
NE 272ND ST E
FairOver: IS 35
S 10 T 55 N R 30 W, Clinton, MO
Built 1964 Load: 14.4 t ADT: 62
NE JONES RD
FairOver: SHOAL CR
S 12 T 56 N R 30 W, Clinton, MO
Built 1986 Load: 16.2 t ADT: 75
NE GRANDPA RD
FairOver: LITTLE SMITH CREEK
S 11 T 56 N R 31 W, Clinton, MO
Built 1935 Load: 16.2 t ADT: 15
NW 297TH RD
FairOver: CASTILE CR
S 31 T 56 N R 32 W, Clinton, MO
Built 1987 Load: 16.2 t ADT: 30
RT BB S
FairOver: IS 35
S 24 T 57 N R 40 W, Clinton, MO
Built 1963 Load: 16.2 t ADT: 1,432
NW BETHANY CHURCH
FairOver: BR OF CASTILE CR
S 10 T 56 N R 32 W, Clinton, MO
Built 1935 Load: 17.1 t ADT: 10
NE 336TH ST
FairOver: BRUSHY CR
S 3 T 56 N R 30 W, Clinton, MO
Built 2001 Load: 17.1 t ADT: 35
NE 280TH ST
FairOver: BRANCH OF LIT PLAT
S 4 T 55 N R 31 W, Clinton, MO
Built 1988 Load: 17.1 t ADT: 30
NW BRETHERN CH RD
FairOver: HORSE CREEK BR
S 7 T 55 N R 31 W, Clinton, MO
Built 1930 Load: 17.1 t ADT: 50
NW 308TH ST
FairOver: CASTILE CR
S 20 T 56 N R 32 W, Clinton, MO
Built 1982 Load: 17.1 t ADT: 40
NW 296TH ST
FairOver: HORSE CREEK
S 30 T 56 N R 31 W, Clinton, MO
Built 1981 Load: 17.1 t ADT: 30
NE 280TH ST
FairOver: BR OF LIT PLATTE R
S 10 T 55 N R 31 W, Clinton, MO
Built 1988 Load: 18.0 t ADT: 20
SW HORD RD
FairOver: BR OF ROBERTS BR
S 5 T 54 N R 32 W, Clinton, MO
Built 1950 Load: 18.0 t ADT: 50
RT V E
FairOver: MORAN BR
S 11 T 54 N R 30 W, Clinton, MO
Built 1930 Load: 18.0 t ADT: 297
NE 272ND ST
FairOver: LK LENORE OVRFL
S 7 T 55 N R 30 W, Clinton, MO
Built 1936 Load: 18.9 t ADT: 40
RT PP E
FairOver: IS 35
S 25 T 54 N R 31 W, Clinton, MO
Built 1964 Load: 18.9 t ADT: 3,808
NW NORTON RD
FairOver: HORSE CREEK BR
S 6 T 55 N R 31 W, Clinton, MO
Built 1920 Load: 19.8 t ADT: 15
SE 207TH ST
FairOver: CLEAR CR
S 28 T 54 N R 31 W, Clinton, MO
Built 1980 Load: 20.7 t ADT: 50
SE 207TH ST
FairOver: CLEAR CR
S 27 T 54 N R 31 W, Clinton, MO
Built 1987 Load: 20.7 t ADT: 115
RT K S
FairOver: CASTILE CR
S 29 T 56 N R 32 W, Clinton, MO
Built 1960 Load: 20.7 t ADT: 189
NE 284TH ST
FairOver: SHOAL CR
S 5 T 55 N R 30 W, Clinton, MO
Built 1997 Load: 21.6 t ADT: 30
NE WOODWARD LN
FairOver: GRINDSTONE CR
S 20 T 55 N R 31 W, Clinton, MO
Built 1995 Load: 21.6 t ADT: 10
SE 232ND ST
FairOver: HOLT CR
S 5 T 54 N R 30 W, Clinton, MO
Built 1930 Load: 21.6 t ADT: 35
US 69 S
FairOver: BARNSVILE BR
S 11 T 54 N R 30 W, Clinton, MO
Built 1930 Load: 21.6 t ADT: 4,076
US 69 S
FairOver: IS 35
S 15 T 56 N R 30 W, Clinton, MO
Built 1963 Load: 21.6 t ADT: 1,661
NW THOMPSON RD
FairOver: BR OF CASTILE CR
S 2 T 56 N R 32 W, Clinton, MO
Built 1994 Load: 22.5 t ADT: 50
SE TRI COUNTY RD
FairOver: BR OF BRUSHY CR
S 13 T 54 N R 30 W, Clinton, MO
Built 1984 Load: 22.5 t ADT: 40
SE CANNONBALL RD
FairOver: BR OF HOLT CR
S 25 T 54 N R 31 W, Clinton, MO
Built 1985 Load: 22.5 t ADT: 65
SE 216TH ST
FairOver: BR OF CLEAR CR
S 22 T 54 N R 31 W, Clinton, MO
Built 1986 Load: 22.5 t ADT: 60
SW 223RD ST
FairOver: LINN CR
S 12 T 54 N R 33 W, Clinton, MO
Built 1904 Load: 22.5 t ADT: 35
NW STARFIELD RD
FairOver: MCGUIRE BR
S 19 T 56 N R 32 W, Clinton, MO
Built 1904 Load: 22.5 t ADT: 30
RT Y S
FairOver: CASTILE CR
S 15 T 57 N R 32 W, Clinton, MO
Built 1960 Load: 22.5 t ADT: 351
RT NN E
FairOver: HOSKINS CR
S 11 T 56 N R 32 W, Clinton, MO
Built 1934 Load: 23.4 t ADT: 239
NW COUNTY LINE RD
FairOver: BR OF CASTILE CR
S 22 T 55 N R 33 W, Clinton, MO
Built 1987 Load: 25.2 t ADT: 50
MO 121 S
FairOver: CHRISTMAN BR
S 14 T 56 N R 30 W, Clinton, MO
Built 1935 Load: 25.2 t ADT: 770
NE WALNUT GROVE RD
FairOver: GRINDSTONE CR
S 21 T 55 N R 31 W, Clinton, MO
Built 1993 Load: 26.1 t ADT: 35
SW 246TH ST
FairOver: ROBERTS BR
S 33 T 55 N R 32 W, Clinton, MO
Built 1999 Load: 26.1 t ADT: 35
RT V E
FairOver: HOLT CR
S 8 T 54 N R 30 W, Clinton, MO
Built 1956 Load: 26.1 t ADT: 297
RT H E
FairOver: SHOAL CR
S 28 T 56 N R 30 W, Clinton, MO
Built 1955 Load: 26.1 t ADT: 168
MO 116 E
FairOver: IS 35
S 28 T 55 N R 30 W, Clinton, MO
Built 1964 Load: 27.0 t ADT: 3,235
NE 320TH ST
FairOver: LIT SMITH CR
S 15 T 56 N R 31 W, Clinton, MO
Built 1984 Load: 27.9 t ADT: 10
MO 33 S
FairOver: OCONNOR BR
S 29 T 57 N R 31 W, Clinton, MO
Built 1933 Load: 27.9 t ADT: 814
IS 35 N
FairOver: SHOAL CR
S 11 T 56 N R 30 W, Clinton, MO
Built 1963 Load: 27.9 t ADT: 12,181
IS 35 N
FairOver: CRD SE 232ND ST
S 8 T 54 N R 30 W, Clinton, MO
Built 1964 Load: 27.9 t ADT: 13,717
GRAND AVE E
FairOver: IS 35
S 24 T 57 N R 30 W, Clinton, MO
Built 1963 Load: 28.8 t ADT: 2,244
NE 280TH ST
FairOver: LIT SHOAL CR
S 5 T 55 N R 30 W, Clinton, MO
Built 2002 Load: 31.5 t ADT: 50
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.