SR1637 over Mauls Swamp
Craven County, North Carolina · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR1637 over Mauls Swamp in Craven County, North Carolina, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1977, making it 48 years old at the 2025 inventory.
- It carries about 620 vehicles a day (traffic count year 2000).
- Its listed owner is the state highway agency.
- It is one of 72 of the 149 inventoried bridges in Craven County rated fair (48.3%); 5 (3.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: substructure 5 to 6.
- Its most recent inspection on record is dated December 2024, 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 → (35.30688, -77.14323)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 5 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 39 ft |
| Location | 0.5 MI.S.JCT.US17 |
| NBI structure number | 000000000490175 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
Busiest bridges in Craven County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US70 over Scotts Creek | 1975 | 45,000 | Fair |
| US70 over Goodwin Creek | 1956 | 30,500 | Good |
| US17N US70E NC55N over Trent River | 1976 | 29,000 | Fair |
| US17S US70W NC55E over Trent River | 1976 | 29,000 | Fair |
| US70E over SR1004 A&ec Railroad | 1976 | 29,000 | Fair |
| US70 Wbl over SR1004 & Atl&ec RR | 1976 | 29,000 | Fair |
All bridges nearby: Craven County, NC bridge conditions · every bridge in Craven County · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.