US 150 over Sam Creek
Martin County, Indiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 150 over Sam Creek in Martin County, Indiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1924 and reconstructed in 1950, making it 101 years old at the 2025 inventory.
- It carries about 1,071 vehicles a day (traffic count year 2004).
- Its listed owner is the state highway agency.
- It is one of 55 of the 104 inventoried bridges in Martin County rated fair (52.9%); 8 (7.7%) 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 October 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 → (38.60179, -86.68796)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete stringer or multi-beam girder |
| Length | about 39 ft |
| Location | 05.96 E SR 550 |
| NBI structure number | 027440 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 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 Martin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 50 over Branch Friends Creek | 1930 | 13,136 | Good |
| US 50 over CSX RR | 1965 | 8,381 | Good |
| US 50 over East Fork White River | 1991 | 7,684 | Fair |
| US 50 over Boggs Creek | 1970 | 7,260 | Fair |
| US 231 over Branch Friends Creek | 1992 | 6,851 | Fair |
| US 231 over Haw Creek | 1930 | 6,443 | Fair |
All bridges nearby: Martin County, IN bridge conditions · every bridge in Martin County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.