Moultrie County Bridge Report Card
Moultrie County scores 78 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Moultrie County, Illinois
Moultrie County has 172 bridges in the National Bridge Inventory, with 16 rated poor and 0 rated scour-critical. Its poor-condition share of 9.3% is at or below the 9.5% statewide average. Poor-condition bridges carry about 6,000 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Moultrie County a Bridge Condition Exposure Score of 78/100 (C). The county has 172 bridges in the National Bridge Inventory, including 16 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 6,000 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 9.3% | 18.6 |
| Poor-condition traffic exposure | 25 | 4.6% of measured traffic | 3.4 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 40 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 130,742 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 9.3% |
| State Poor-Condition Share | 9.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 40 years |
| Poor-Condition Traffic Exposure | 6,000 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Moultrie County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Il 121 (fap 320) over West Okaw River | Poor condition + traffic exposure | Poor | 4,700 | 1966 |
| Tr 37 over W Fork Okaw River | Poor condition + traffic exposure | Poor | 350 | 1985 |
| Ch 14 over Marrow Bone Creek | Poor condition + traffic exposure | Poor | 150 | 1962 |
| Tr 142 over Whitley Creek | Poor condition + traffic exposure | Poor | 100 | 1917 |
| Tr 142 A over Lynn Creek | Poor condition + traffic exposure | Poor | 100 | 1956 |
| Tr 71 over Marrowbone Creek | Poor condition + traffic exposure | Poor | 100 | 1966 |
| Tr 19 A over W Okaw River | Poor condition + traffic exposure | Poor | 100 | 1977 |
| Tr 140 over Jonathan Creek | Poor condition + traffic exposure | Poor | 100 | 1983 |
| Tr 38 over Stringtown Branch | Poor condition + traffic exposure | Poor | 50 | 1930 |
| Tr 5 over Creek | Poor condition + traffic exposure | Poor | 50 | 1984 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.