SR 20 over Warren Branch
Lawrence County, Alabama · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 20 over Warren Branch in Lawrence County, Alabama, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1966, making it 59 years old at the 2025 inventory.
- It carries about 9,626 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 107 of the 215 inventoried bridges in Lawrence County rated good (49.8%); 4 (1.9%) 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 → (34.68117, -87.40444)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 23 ft |
| Location | 0.1 Mi E SR 20 & SR 101 |
| NBI structure number | 021587 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Alabama department of transportation.
Busiest bridges in Lawrence County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 20 over Fox Creek | 2014 | 16,900 | Good |
| SR 20 over Fox Creek | 2014 | 16,900 | Fair |
| SR 20 over Mallard Creek | 2016 | 16,260 | Good |
| SR 24 over Flat Creek | 1984 | 15,250 | Fair |
| SR 20 over Branch | 1928 | 13,230 | Fair |
| SR 24 over Big Shoal Creek | 1984 | 12,360 | Fair |
All bridges nearby: Lawrence County, AL bridge conditions · every bridge in Lawrence County · Alabama bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.