Bridge conditions in Morgan County, Illinois
234 inventoried bridges · 17 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
17 of the 234 bridges the federal inventory lists in Morgan County are rated poor; the rest split 113 good and 104 fair.
- 17 of the 234 bridges in Morgan County, Illinois, are rated in poor condition (7.3%) in the 2025 National Bridge Inventory, as of .
- 113 bridges (48.3%) are rated good and 104 (44.4%) fair.
- The median Morgan County bridge was built in 1988.
- The busiest poor-rated bridge is S Main St over Town Brook (built 1985), carrying about 7,600 vehicles a day.
Good 48.3% · Fair 44.4% · Poor 7.3% of 234 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 |
|---|---|---|---|
| S Main St over Town Brook | 1985 | 7,600 | Poor |
| FAU 8173 College A over Mauvaise Terre CR | 1975 | 2,150 | Poor |
| East St over Town Brook | 1979 | 900 | Poor |
| Fas 1612 over Mauvaise Terre CR | 1976 | 650 | Poor |
| Tr 214 over Mauvaise Terre Creek | 1969 | 450 | Poor |
| Ch 2 over Mauvaise Terre CR | 1959 | 300 | Poor |
| Tr 166 over Mauvaise Terre CR | 1996 | 250 | Poor |
| Ch 23 over Fai 72 | 1976 | 125 | Poor |
| Tr 128 over Spoon Creek | 1961 | 75 | Poor |
| Tr 230 over Creek | 1981 | 75 | Poor |
| Tr 256 over Little Indian Creek | 1936 | 50 | Poor |
| Ch 23 over Spoon Crk. | 1963 | 50 | Poor |
| Tr 370 over Creek | 1900 | 50 | Poor |
| Tr 256 over Indian CR | 1967 | 50 | Poor |
| Tr 137 over B&n RR | 1900 | 50 | Poor |
| Tr 260 over Conover Creek | 1955 | 25 | Poor |
| Ms-6090 (curtiss S over B&n RR | 1901 | 20 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Bl72/il104/morton over Town Brook | 1952 | 16,300 | Fair |
| Fai 72 over N Fk Mauvaise Terre | 1976 | 14,500 | Fair |
| Fai 72 over Mauvaise Terre CR Br | 1974 | 14,500 | Good |
| Bus I72/IL104/MORT over Mauvaise Terre Creek | 1957 | 10,400 | Fair |
| Il 267/US 67/BL 67 over I-72/US 36 | 1975 | 9,100 | Fair |
| Il 267 over Trib Mauvaise Terre | 1989 | 9,100 | Good |
| S Main St over Town Brook | 1985 | 7,600 | Poor |
| Fai 72 EB over N Fk Mauvaise Terre | 1975 | 7,250 | Fair |
| Fai 72 WB over N Fk Mauvaise Terre | 1975 | 7,250 | Fair |
| Fai 72 WB over Spring Creek | 1976 | 7,250 | 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.