Bridge conditions in Sullivan County, Missouri
221 inventoried bridges · 16 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
16 of the 221 bridges the federal inventory lists in Sullivan County are rated poor; the rest split 124 good and 81 fair.
- 16 of the 221 bridges in Sullivan County, Missouri, are rated in poor condition (7.2%) in the 2025 National Bridge Inventory, as of .
- 124 bridges (56.1%) are rated good and 81 (36.7%) fair.
- The median Sullivan County bridge was built in 1997.
- The busiest poor-rated bridge is Rt Oo S over Locust CR (built 1961), carrying about 572 vehicles a day.
Good 56.1% · Fair 36.7% · Poor 7.2% of 221 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 |
|---|---|---|---|
| Rt Oo S over Locust CR | 1961 | 572 | Poor |
| Rt N E over Lit Yellow CR | 1922 | 435 | Poor |
| Rt T S over E Locust CR | 1949 | 267 | Poor |
| Mo 129 S over Spring CR | 1950 | 78 | Poor |
| Mo 129 S over N Spring CR | 1950 | 78 | Poor |
| Rt Pp E over W Locust CR | 1955 | 72 | Poor |
| Boynton Rd E over E Locust CR | 1966 | 50 | Poor |
| River Rd over Locust CR | 1995 | 40 | Poor |
| Tower Rd over Yellow CR | 1994 | 30 | Poor |
| Impala Dr over Mussel CR | 1995 | 30 | Poor |
| Ivory Rd over Mussel CR | 1995 | 20 | Poor |
| Colonial Dr over Unnamed CR | 1993 | 15 | Poor |
| Alan Dr over Unamed Stream | 1997 | 15 | Poor |
| Coal Dr over Unnamed CR | 1993 | 10 | Poor |
| Pond Rd over Lit Yellow CR | 1930 | 5 | Poor |
| Haven Rd over Unnamed CR | 1930 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 6 E over E Locust CR | 1996 | 2,425 | Good |
| Mo 6 E over W Yellow CR | 2008 | 2,153 | Good |
| Mo 6 E over Br West Yellow CR | 2019 | 2,153 | Good |
| Rt E E over Montgomery Br | 1969 | 1,700 | Fair |
| Rt E E over Locust CR | 1969 | 1,700 | Fair |
| Mo 6 E over Mussel Fk CR | 1932 | 1,512 | Fair |
| Mo 6 E over Anderson Br | 1932 | 1,512 | Fair |
| Mo 6 E over Mussel Fk CR | 1932 | 1,512 | Fair |
| Mo 6 E over Medicine CR | 1995 | 1,423 | Fair |
| Mo 6 E over Imrl RR | 1995 | 1,423 | Good |
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.