Bridge conditions in Moultrie County, Illinois
172 inventoried bridges · 16 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Moultrie County tracks close to typical: 16 of its 172 inventoried bridges (9.3%) are rated poor, against a national rate of about 7%.
- 16 of the 172 bridges in Moultrie County, Illinois, are rated in poor condition (9.3%) in the 2025 National Bridge Inventory, as of .
- 68 bridges (39.5%) are rated good and 88 (51.2%) fair.
- The median Moultrie County bridge was built in 1987.
- The busiest poor-rated bridge is Il 121 (fap 320) over West Okaw River (built 1966), carrying about 4,700 vehicles a day.
Good 39.5% · Fair 51.2% · Poor 9.3% of 172 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 |
|---|---|---|---|
| Il 121 (fap 320) over West Okaw River | 1966 | 4,700 | Poor |
| Tr 37 over W Fork Okaw River | 1985 | 350 | Poor |
| Ch 14 over Marrow Bone Creek | 1962 | 150 | Poor |
| Tr 19 A over W Okaw River | 1977 | 100 | Poor |
| Tr 140 over Jonathan Creek | 1983 | 100 | Poor |
| Tr 71 over Marrowbone Creek | 1966 | 100 | Poor |
| Tr 142 over Whitley Creek | 1917 | 100 | Poor |
| Tr 142 A over Lynn Creek | 1956 | 100 | Poor |
| Tr 38 over Stringtown Branch | 1930 | 50 | Poor |
| Tr 3 (CR 2500N) over Stringtown Branch | 1993 | 50 | Poor |
| Tr 5 over Creek | 1984 | 50 | Poor |
| Tr 5 over Drainage Ditch | 1989 | 50 | Poor |
| Tr 17A (CR 2300N) over Jonathan Creek | 1992 | 35 | Poor |
| Tr 93A over Two Mile Branch | 1965 | 25 | Poor |
| Tr 39 (CR 2000N) over W Okaw River Trib | 1995 | 20 | Poor |
| Tr 35 (CR 2050N) over Jonathan Branch | 1992 | 20 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Il 121(FAP 320) over Asa Creek | 1986 | 6,500 | Fair |
| Fap 320(IL 121) over Stream | 1995 | 5,750 | Good |
| Il 121 (fap 320) over Jonathan Creek | 1967 | 5,700 | Good |
| Il 121 (fap 320) over West Okaw River | 1966 | 4,700 | Poor |
| Fap 320 (il 121) over Dunn Branch | 1969 | 4,600 | Good |
| Ill 121(FAP 320) over Stream | 1971 | 4,450 | Fair |
| Il 121 (fap 320) over Marrowbone Creek | 2012 | 4,350 | Fair |
| Il 32 (fap 762) over Lake Shelbyville | 1967 | 4,300 | Fair |
| Il 121 (fap 320) over Kaskaskia River | 1967 | 4,250 | Fair |
| Il 121(FAP 320) over Stream | 1970 | 4,150 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Illinois: Illinois 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.