SR1806 over US321
Gaston County, North Carolina · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR1806 over US321 in Gaston County, North Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1986, making it 39 years old at the 2025 inventory.
- It carries about 690 vehicles a day (traffic count year 2016).
- Its listed owner is the state highway agency.
- It is one of 78 of the 233 inventoried bridges in Gaston County rated good (33.5%); 21 (9.0%) 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 June 2022, on a 48-month routine inspection cycle.
- 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 → (35.35404, -81.19998)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 219 ft |
| Location | 0.4 MI.E.JCT.SR3061 |
| NBI structure number | 000000000710337 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2022 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
Busiest bridges in Gaston County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I85 over Duharts Creek | 1963 | 129,000 | Fair |
| I85 over Catawba River | 1958 | 127,000 | Fair |
| I85 over US321 | 1962 | 117,000 | Good |
| I85 over Ut to Long Creek | 1962 | 101,000 | Fair |
| I85 over Kaglor Branch | 1962 | 96,500 | Fair |
| I85 over Abernathy Creek | 1962 | 81,000 | Poor |
All bridges nearby: Gaston County, NC bridge conditions · every bridge in Gaston County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.