Tr-83 over Birch Creek
Greene County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr-83 over Birch Creek in Greene County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1982, making it 43 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2022).
- Its listed owner is a town or township highway agency.
- It is one of 69 of the 162 inventoried bridges in Greene County rated fair (42.6%); 11 (6.8%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (39.46188, -90.28234)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete channel beam |
| Length | about 98 ft |
| Location | 6.6 Mi NE White Hall |
| NBI structure number | 031504100000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Greene County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 67 over Link Branch | 1952 | 5,000 | Good |
| US 67 over Macoupin Creek | 1969 | 4,750 | Poor |
| US 67 over S Trib Macoupin Crk | 1965 | 4,750 | Good |
| US 67 over Seminary Creek | 1972 | 3,900 | Fair |
| US 67 over Apple Creek | 1972 | 3,650 | Fair |
| US 67 over Apple Creek Overflow | 1972 | 3,650 | Fair |
All bridges nearby: Greene County, IL bridge conditions · every bridge in Greene County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.