US 31 NB over 151ST Street
Hamilton County, Indiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 31 NB over 151ST Street in Hamilton County, Indiana, 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 2013, making it 12 years old at the 2025 inventory.
- It carries about 75,763 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 315 of the 460 inventoried bridges in Hamilton County rated good (68.5%); 11 (2.4%) 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 September 2024, on a 24-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 → (40.00747, -86.12733)
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 tee beam |
| Length | about 119 ft |
| Location | 2.48 S SR 32 |
| NBI structure number | 079726 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Hamilton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-465 over Monon Greenway | 2010 | 129,425 | Good |
| 96TH St East over White River | 1996 | 80,300 | Fair |
| US 31 over Stanbrough Creek | 2014 | 75,763 | Good |
| US 31 NB over Unt Cool Creek | 2014 | 75,763 | Good |
| US 31 SB over Unt Cool Creek | 2014 | 75,763 | Good |
| I-465 EB over College Avenue | 2010 | 73,192 | Good |
All bridges nearby: Hamilton County, IN bridge conditions · every bridge in Hamilton County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.