US 150 over Natchez Branch
Martin County, Indiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 150 over Natchez Branch in Martin County, Indiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1999, making it 26 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 41 of the 104 inventoried bridges in Martin County rated good (39.4%); 8 (7.7%) are rated poor.
- 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 → (38.617, -86.71154)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 41 ft |
| Location | 03.88 E SR 550 |
| NBI structure number | 027430 |
| Condition class | Good |
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.