Tr 335 over Prairie Creek
Franklin County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr 335 over Prairie Creek in Franklin County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1989, making it 36 years old at the 2025 inventory.
- It carries about 75 vehicles a day (traffic count year 2024).
- Its listed owner is a town or township highway agency.
- It is one of 238 of the 310 inventoried bridges in Franklin County rated good (76.8%); 9 (2.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 2022, 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 → (37.90655, -89.08089)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 60 ft |
| Location | 1.25 Mi W Il 148 |
| NBI structure number | 028329000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2022 |
| 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 Franklin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 57 over Tr 213 Linn Rd | 1962 | 37,200 | Fair |
| I 57 over Drain Ditch (rend L) | 1963 | 35,700 | Fair |
| I-57 NB over Pond Creek | 2022 | 19,900 | Fair |
| I-57 SB over Pond Creek | 2022 | 19,900 | Fair |
| Interstate 57 NB over 7TH St | 2012 | 18,600 | Fair |
| Interstate 57 SB over 7TH St | 2012 | 18,600 | Fair |
All bridges nearby: Franklin County, IL bridge conditions · every bridge in Franklin County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.