US Bridges

SR1476 over Clayroot Swamp Canal

Good

Craven County, North Carolina · 1.2 MI W JCT NC43 · Structure no. 000000000490030

Built
1985
40 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete
Length
113 ft
3 main spans
Daily traffic
530
2018 count
Owner
State
State Highway Agency

About this bridge

SR1476 over Clayroot Swamp Canal is a prestressed concrete slab carrying SR1476 over Clayroot Swamp Canal in Craven 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 530 vehicles a day, roughly 6% of them trucks, projected to reach 1,060 by 2040. The structure is 113 ft (34.4 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1476
CrossesClayroot Swamp Canal
Location1.2 MI W JCT NC43
RouteState Highway 1476
Coordinates35.37505, -77.23816
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating61.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length113 ft (34.4 m)
Longest span37 ft (11.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2018)
Projected traffic1,060 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SR1476 over Clayroot Swamp Canal built?

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

What condition is SR1476 over Clayroot Swamp Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does SR1476 over Clayroot Swamp Canal carry?

About 530 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is SR1476 over Clayroot Swamp Canal?

The structure is 113 ft (34.4 m) long with a longest span of 37 ft (11.2 m) and a deck 27 ft wide.

Who owns SR1476 over Clayroot Swamp Canal?

It is owned by the State Highway Agency.