US 45(FAS 1671) over US 36(FAP 323)
Douglas County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 45(FAS 1671) over US 36(FAP 323) in Douglas County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2007, making it 18 years old at the 2025 inventory.
- It carries about 2,500 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 56 of the 233 inventoried bridges in Douglas County rated fair (24.0%); 4 (1.7%) 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 → (39.79166, -88.29257)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 104 ft |
| Location | Tuscola |
| NBI structure number | 021006200000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Douglas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-57 over Stream | 1968 | 22,700 | Good |
| I-57 (NB) over Fap 323(US 36) | 1968 | 11,050 | Good |
| I-57 (SB) over Fap 323(US 36) | 1968 | 11,050 | Good |
| I-57 (NB) over UPRR & Decatur&Estrn ILR | 1969 | 11,050 | Fair |
| I-57 (SB) over UPRR & Decatur&Estrn ILR | 1969 | 11,050 | Fair |
| I-57 (NB) over Hayes Branch | 1969 | 11,050 | Fair |
All bridges nearby: Douglas County, IL bridge conditions · every bridge in Douglas County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.