Bridge conditions in Harrison County, Missouri
331 inventoried bridges · 74 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 4 bridges in Harrison County is rated in poor condition: 74 of 331 on the federal inventory, one of the higher shares in Missouri.
- 74 of the 331 bridges in Harrison County, Missouri, are rated in poor condition (22.4%) in the 2025 National Bridge Inventory, as of .
- 131 bridges (39.6%) are rated good and 126 (38.1%) fair.
- The median Harrison County bridge was built in 1992.
- The busiest poor-rated bridge is US 136 E over Is 35 (built 1973), carrying about 4,757 vehicles a day.
Good 39.6% · Fair 38.1% · Poor 22.4% of 331 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 136 E over Is 35 | 1973 | 4,757 | Poor |
| Mo 13 S over Is 35 | 1973 | 1,898 | Poor |
| Rt N E over Is 35 | 1968 | 933 | Poor |
| US 69 S over Zadie Br | 1925 | 390 | Poor |
| 20TH St over Bucks Br | 1920 | 300 | Poor |
| 16TH St over Bucks Br | 1930 | 300 | Poor |
| Lincoln St over Sampson CR | 1922 | 250 | Poor |
| 10TH St over Buck Br of Big CR | 1932 | 100 | Poor |
| E 330 Ave over Jefferson CR | 1997 | 100 | Poor |
| E 165 St over E Fk Big CR | 1910 | 50 | Poor |
| W 174 St over Overfl Dtch-fk Big | 1998 | 40 | Poor |
| W 310 St over White Oak CR | 1993 | 40 | Poor |
| E 300 Ave over Indian CR | 1920 | 35 | Poor |
| E 290 Ave over Donaby CR | 1974 | 35 | Poor |
| W 225 Ave over Shane CR | 1910 | 35 | Poor |
| E 280 Ave over Brush CR | 1910 | 35 | Poor |
| E 225 St over E Fk Big CR | 1985 | 35 | Poor |
| E 205 St over E Fk Big CR | 1972 | 35 | Poor |
| W 240 St over Pecks Br | 1989 | 35 | Poor |
| W 192 Ave over Trib of Big CR | 1929 | 35 | Poor |
| W 120 Ave over Samson CR | 1920 | 35 | Poor |
| E 240 Ave over Br of Cypress CR | 1968 | 35 | Poor |
| E 380 St over Br of Cypress CR | 1974 | 35 | Poor |
| E 110 St over Br of Big CR | 1989 | 35 | Poor |
| W 120 St over Shane CR | 1972 | 30 | Poor |
| W 130 St over Shane CR | 1971 | 30 | Poor |
| W 300 St over White Oak CR | 1995 | 30 | Poor |
| W 340 St over Crabapple Br | 1962 | 30 | Poor |
| W 150 St over W Fk Big CR | 1989 | 25 | Poor |
| E 182 St over Brush CR | 1994 | 25 | Poor |
| E 317 Ave over Br of Sugar CR | 1978 | 25 | Poor |
| E 333 Ave over Trib of Sugar CR | 1992 | 25 | Poor |
| W 290 St over White Oak CR | 1936 | 20 | Poor |
| E 330 St over Br of Sugar CR | 1955 | 20 | Poor |
| E 340 St over Sugar CR | 1977 | 20 | Poor |
| E 340 St over Br of Sugar CR | 1930 | 20 | Poor |
| W 345 St over White Oak CR | 1998 | 20 | Poor |
| W 210 Ave over Poor Tom Br | 1975 | 20 | Poor |
| E 250 Ave over Br of Cypress CR | 1920 | 20 | Poor |
| W 147 Ave over Br of Sampson CR | 1991 | 20 | Poor |
| W 117 St over W Fk of Big CR | 1990 | 15 | Poor |
| E 130 St over E Fk of Big CR | 1960 | 15 | Poor |
| E 130 St over Zadies CR | 1960 | 15 | Poor |
| W 180 Ave over Br of Big CR | 1949 | 15 | Poor |
| W 140 Ave over W Fk Big Muddy CR | 1965 | 15 | Poor |
| E 325 Ave over Lost CR | 1962 | 15 | Poor |
| W 160 Ave over Trib W Fk Little C | 1938 | 15 | Poor |
| E 240 Ave over Trib E Fk Big CR | 1948 | 15 | Poor |
| E 260 St over Trib of Trail CR | 1959 | 15 | Poor |
| E Klondike Rd over Br of Thompson Rvr | 1992 | 15 | Poor |
| E 320 Ave over Cat CR | 1927 | 15 | Poor |
| E 320 St over Sugar CR | 1972 | 15 | Poor |
| E 260 Ave over Br of Sugar CR | 1936 | 15 | Poor |
| E 267 Ave over Br of Sugar CR | 1935 | 15 | Poor |
| E 280 Ave over Br of Sugar CR | 1930 | 15 | Poor |
| W 110 Ave over Br of Sampson CR | 1935 | 15 | Poor |
| W 140 Ave over White Oak CR | 1949 | 15 | Poor |
| E 380 St over Sugar CR | 1980 | 15 | Poor |
| E 340 St over Br of Polecat CR | 1977 | 15 | Poor |
| W 200 Ave over Trib W Fk Big CR | 1929 | 10 | Poor |
| E 312 Ave over Trail CR | 1996 | 10 | Poor |
| E 350 St over Br of Cat CR | 1983 | 10 | Poor |
| W 385 St over White Oak CR | 1988 | 10 | Poor |
| W 130 St over Wolf CR | 1988 | 5 | Poor |
| W 190 Ave over Br of Big CR | 1978 | 5 | Poor |
| E 265 Ln over Trib of Big CR | 1939 | 5 | Poor |
| E 110 Pl over Jefferies CR | 1976 | 5 | Poor |
| W 140 Pl over E Fk Big Muddy CR | 1972 | 5 | Poor |
| W 245 St over Little CR | 1984 | 5 | Poor |
| E 337 Ln over Thompson Rvr Trib | 1986 | 5 | Poor |
| W 180 Ave over Trib of Big CR | 1930 | 5 | Poor |
| W 250 Pl over Pony Br | 1932 | 5 | Poor |
| E 370 Pl over Br of Sugar CR | 1935 | 5 | Poor |
| W 382 St over Latchel Br | 1997 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 35 S over Bracken Br | 1968 | 15,191 | Fair |
| Is 35 S over Barber CR | 1968 | 15,191 | Fair |
| Is 35 S over Lit Pole Cat CR | 1975 | 14,537 | Fair |
| Is 35 S over Zadie CR | 1968 | 7,850 | Fair |
| Is 35 S over Crd E 100 St | 1969 | 7,850 | Fair |
| Is 35 N over Sp 69 Abandoned RR | 1972 | 7,564 | Fair |
| Is 35 S over E Fk Big CR | 1961 | 7,373 | Fair |
| Is 35 S over Sp 69 Abandoned RR | 1961 | 7,373 | Fair |
| Is 35 N over Zadie CR | 1968 | 7,341 | Fair |
| Is 35 N over Crd E 100 St | 1969 | 7,341 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Missouri: Missouri bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.