S Main St over W Fork Blue River
Washington County, Indiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S Main St over W Fork Blue River in Washington County, Indiana, 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 1955, making it 70 years old at the 2025 inventory.
- It carries about 12,770 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 94 of the 174 inventoried bridges in Washington County rated fair (54.0%); 3 (1.7%) 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 2024, on a 24-month routine inspection cycle.
- 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 → (38.60149, -86.10068)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete deck arch |
| Length | about 161 ft |
| Location | 00.10 W SR 135 |
| NBI structure number | 8800161 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 24 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 Indiana department of transportation.
Busiest bridges in Washington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 56 over Brock Creek | 2023 | 15,120 | Good |
| SR 60 over Haggatt Branch | 1947 | 8,905 | Fair |
| SR 60 over Middle Fork Blue River | 1947 | 8,309 | Fair |
| SR 60 over South Fork Blue River | 1937 | 8,309 | Fair |
| SR 60 over South Fork Blue River | 2024 | 7,408 | Good |
| SR 60 over Unt Haggatt Branch | 2012 | 7,298 | Good |
All bridges nearby: Washington County, IN bridge conditions · every bridge in Washington County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.