US Bridges

NC102 over Clayroot Swamp

Fair

Pitt County, North Carolina · 0.8 MI.W.JCT.NC43 · Structure no. 000000001470071

Built
1974
51 years old
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
2,800
2021 count
Owner
State
State Highway Agency

About this bridge

NC102 over Clayroot Swamp is a prestressed concrete slab carrying NC102 over Clayroot Swamp in Pitt County, North Carolina. It was built in 1974, so it is 51 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 2,800 vehicles a day, roughly 7% of them trucks, projected to reach 5,600 by 2040. The structure is 120 ft (36.5 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNC102
CrossesClayroot Swamp
Location0.8 MI.W.JCT.NC43
RouteState Highway 102
Coordinates35.42382, -77.2795
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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
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 rating48 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length120 ft (36.5 m)
Longest span40 ft (12.1 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2021)
Projected traffic5,600 by 2040
Trucks7%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC102 over Clayroot Swamp built?

It was built in 1974, making it 51 years old in 2025.

What condition is NC102 over Clayroot 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 October 2023.

How much traffic does NC102 over Clayroot Swamp carry?

About 2,800 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is NC102 over Clayroot Swamp?

The structure is 120 ft (36.5 m) long with a longest span of 40 ft (12.1 m) and a deck 30 ft wide.

Who owns NC102 over Clayroot Swamp?

It is owned by the State Highway Agency.