Tr 24 over Lake Fork
Douglas County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr 24 over Lake Fork in Douglas County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1982, making it 43 years old at the 2025 inventory.
- It carries about 400 vehicles a day (traffic count year 2022).
- Its listed owner is a town or township highway agency.
- It is one of 173 of the 233 inventoried bridges in Douglas County rated good (74.2%); 4 (1.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: deck 8 to 7, superstructure 8 to 7, substructure 8 to 7.
- Its most recent inspection on record is dated January 2025, on a 48-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (39.73601, -88.42543)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 7 | Good condition |
| Superstructure | 8 | 7 | Good condition |
| Substructure | 8 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 109 ft |
| Location | 3 Mi NE of Arthur |
| NBI structure number | 021453300000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2025 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
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.