US Bridges

SR1510 over Wildcat Swamp

Fair

Northampton County, North Carolina · 2.8 MI W. of JCT NC35 · Structure no. 000000001310019

Built
1985
40 years old
Condition
Fair
inspected January 2025
Type
Culvert
Steel
Length
38 ft
4 main spans
Daily traffic
190
2015 count
Owner
State
State Highway Agency

About this bridge

SR1510 over Wildcat Swamp is a steel culvert carrying SR1510 over Wildcat Swamp in Northampton County, North Carolina. It was built in 1985, so it is 40 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 190 vehicles a day, roughly 6% of them trucks, projected to reach 380 by 2040. The structure is 38 ft (11.5 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSR1510
CrossesWildcat Swamp
Location2.8 MI W. of JCT NC35
RouteState Highway 1510
Coordinates36.3954, -77.27838
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length38 ft (11.5 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2015)
Projected traffic380 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1510 over Wildcat Swamp built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR1510 over Wildcat Swamp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does SR1510 over Wildcat Swamp carry?

About 190 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1510 over Wildcat Swamp?

The structure is 38 ft (11.5 m) long with a longest span of 8 ft (2.4 m).

Who owns SR1510 over Wildcat Swamp?

It is owned by the State Highway Agency.