US311 over Bob Branch
Randolph County, North Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US311 over Bob Branch in Randolph County, North Carolina, 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 2016, making it 9 years old at the 2025 inventory.
- It carries about 5,300 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 185 of the 401 inventoried bridges in Randolph County rated good (46.1%); 7 (1.7%) 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 → (35.84649, -79.88254)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 20 ft |
| Location | 0.3 Mi. S. Jct. SR1529 |
| NBI structure number | 000000001510031 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
Busiest bridges in Randolph County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I85N over Branch of Uwharrie River | 1981 | 141,000 | Fair |
| I85 over Uwharrie River | 1981 | 70,500 | Fair |
| I85N over SR1577 Muddy Creek | 1981 | 35,250 | Fair |
| I85S over SR1577 Muddy Creek | 1981 | 35,250 | Fair |
| I73 I74 US220 over SR3255 | 1962 | 34,500 | Fair |
| I73 I74 US220 over Cedar Creek | 1964 | 34,500 | Fair |
All bridges nearby: Randolph County, NC bridge conditions · every bridge in Randolph County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.