County Hwy 1178 over Big Spring Creek
Marshall County, Alabama · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Hwy 1178 over Big Spring Creek in Marshall County, Alabama, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1958, making it 67 years old at the 2025 inventory.
- It carries about 52 vehicles a day (traffic count year 1994).
- Its listed owner is the county highway agency.
- It is one of 15 of the 171 inventoried bridges in Marshall County rated poor (8.8%); 15 (8.8%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (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 poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (34.2341, -86.39672)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 25 ft |
| Location | 40 Ft E Jct 79 |
| NBI structure number | 001839 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Alabama department of transportation.
Busiest bridges in Marshall County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 431 over Guntersville Lake | 1938 | 35,218 | Fair |
| US 431 over Turkey Creek | 1952 | 31,175 | Fair |
| US 431 over Drum Creek | 1952 | 30,151 | Fair |
| US 431 over Branch | 1930 | 16,982 | Fair |
| SR 69 over Browns Creek | 1941 | 15,881 | Fair |
| SR 69 over Branch | 1934 | 12,904 | Good |
All bridges nearby: Marshall County, AL bridge conditions · every bridge in Marshall County · Alabama bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.