CR 1675 W over Big Bayou
Gibson County, Indiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- CR 1675 W over Big Bayou in Gibson County, Indiana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 0 (failed condition, out of service) on the 0-9 scale.
- It was built in 1875, making it 150 years old at the 2025 inventory.
- Its listed owner is the county highway agency.
- It is one of 22 of the 366 inventoried bridges in Gibson County rated poor (6.0%); 22 (6.0%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated April 2024, 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 → (38.25829, -87.87922)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 0 | 0 | Failed condition, out of service |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Timber through truss |
| Length | about 174 ft |
| Location | 00.80 E of CR 1750 W |
| NBI structure number | 2600033 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | April 2024 |
| 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 Indiana department of transportation.
Busiest bridges in Gibson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-69 over Unt Barn Branch Creek | 2008 | 32,000 | Good |
| I-69 over Barn Branch Creek | 2008 | 32,000 | Good |
| SR 64SR 65 over Richland Creek | 1959 | 26,134 | Fair |
| US 41 over Lutz Creek | 1948 | 23,379 | Good |
| US 41 over Thurman Ditch | 1950 | 22,693 | Fair |
| I-69 over Unt Smith Fork | 2012 | 20,127 | Good |
All bridges nearby: Gibson County, IN bridge conditions · every bridge in Gibson County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.