SR1311 over Green River
Polk County, North Carolina · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR1311 over Green River in Polk County, North Carolina, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1962, making it 63 years old at the 2025 inventory.
- It carries about 1,200 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 68 of the 128 inventoried bridges in Polk County rated fair (53.1%); 16 (12.5%) 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 July 2023, 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 → (35.33805, -82.11134)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 198 ft |
| Location | .4 MI.S.JCT.SR1315 |
| NBI structure number | 000000001490035 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2023 |
| 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 North Carolina department of transportation.
Busiest bridges in Polk County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 74 Eastbound over Pvt Rd (equestrian Cente | 2018 | 31,000 | Good |
| I-26 over Wolfe Creek | 1973 | 27,500 | Fair |
| I-26 over Horse Creek | 1969 | 27,500 | Fair |
| I-26 Wbl over SR1142 | 1969 | 19,500 | Fair |
| I-26 Ebl over SR1142 | 1969 | 19,500 | Fair |
| US74 Ramps over Horse Creek | 1975 | 17,500 | Fair |
All bridges nearby: Polk County, NC bridge conditions · every bridge in Polk County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.