Tr 74 over Wolf Run Creek
Scott County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr 74 over Wolf Run Creek in Scott County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1965, making it 60 years old at the 2025 inventory.
- It carries about 75 vehicles a day (traffic count year 2020).
- Its listed owner is a town or township highway agency.
- It is one of 38 of the 99 inventoried bridges in Scott County rated fair (38.4%); 7 (7.1%) 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 → (39.74928, -90.52216)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete channel beam |
| Length | about 85 ft |
| Location | 1 Mi E Bluffs |
| NBI structure number | 086370800000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Scott County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fai 72 over Tr 44 | 1987 | 9,900 | Good |
| Fai 72 over Drainage Ditch | 1986 | 9,900 | Fair |
| Fai 72 EB over Ill 100 | 1981 | 4,950 | Fair |
| Fai 72 WB over Ill 100 | 1981 | 4,950 | Fair |
| Fai 72 EB over Tr 55 | 1986 | 4,950 | Good |
| Fai 72 WB over Tr 55 | 1986 | 4,950 | Good |
All bridges nearby: Scott County, IL bridge conditions · every bridge in Scott County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.