Tr-177a over Creek
Jasper County, Illinois · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr-177a over Creek in Jasper County, Illinois, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1909, making it 116 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2021).
- Its listed owner is a town or township highway agency.
- It is one of 8 of the 181 inventoried bridges in Jasper County rated poor (4.4%); 8 (4.4%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated January 2023, on a 24-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (39.02491, -87.98728)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Superstructure | 3 | 3 | Serious condition |
| Substructure | 3 | 3 | Serious condition |
Bridge details
| Structure | Concrete deck arch |
| Length | about 43 ft |
| Location | 2.5 Mi NE Willow Hil |
| NBI structure number | 040308600000000 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | January 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Jasper County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap-95(ill 33) over W Fork Big Muddy | 2012 | 5,900 | Fair |
| Fap-116 (ill-33/13 over Embarras River | 1971 | 5,700 | Fair |
| Fap-116 (ill-33/13 over Stream | 1984 | 5,700 | Fair |
| Fap-95 (ill-33) over Branch Laws Creek | 1983 | 5,700 | Good |
| Fap-95 (ill-33) over Big Muddy Creek | 1989 | 5,700 | Good |
| Fap-95 (il-33) over Trib Big Muddy Creek | 1993 | 5,700 | Good |
All bridges nearby: Jasper County, IL bridge conditions · every bridge in Jasper County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.