Business 37 N over Griffy Creek
Monroe County, Indiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Business 37 N over Griffy Creek in Monroe County, Indiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1940, making it 85 years old at the 2025 inventory.
- It carries about 11,194 vehicles a day (traffic count year 2014).
- Its listed owner is the county highway agency.
- It is one of 83 of the 234 inventoried bridges in Monroe County rated fair (35.5%); 9 (3.8%) are rated poor.
- 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 → (39.20856, -86.535)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 64 ft |
| Location | 0.1 Mi N of Old SR 37 N |
| NBI structure number | 5300125 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Monroe County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 48 over I-69 Nb/sb | 1991 | 34,754 | Good |
| SR 37 NB over Abandoned RR | 1973 | 27,750 | Good |
| SR 37 SB over Abandoned RR | 1973 | 27,750 | Good |
| SR 4645 SB over I-69 Nb/sb | 2001 | 27,052 | Fair |
| SR 45 over Cascade Park Road | 2011 | 26,200 | Good |
| I-69 Nbsb over Unt Clear Creek | 2015 | 25,635 | Good |
All bridges nearby: Monroe County, IN bridge conditions · every bridge in Monroe County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.