SR 3 over Tn River & CSX RR
Morgan County, Alabama · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 3 over Tn River & CSX RR in Morgan County, Alabama, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1961 and reconstructed in 1997, making it 64 years old at the 2025 inventory.
- It carries about 20,045 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 165 of the 271 inventoried bridges in Morgan County rated fair (60.9%); 4 (1.5%) 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 2023, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (34.61333, -86.97333)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Continuous steel through truss |
| Length | about 2,501 ft |
| Location | 0.1 M N Jct SR 3 & SR 20 |
| NBI structure number | 007320 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Alabama department of transportation.
Busiest bridges in Morgan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 65 over Branch | 1968 | 35,580 | Fair |
| I 65 over Shoals Creek | 1968 | 34,110 | Fair |
| I 65 over Branch | 1968 | 33,220 | Fair |
| 8TH St SW over Dry Branch | 1975 | 33,034 | Fair |
| SR 67 over Clark Spring | 1965 | 31,030 | Fair |
| Spring Avenue over Clark Spring | 1965 | 31,030 | Fair |
All bridges nearby: Morgan County, AL bridge conditions · every bridge in Morgan County · Alabama bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.