US Bridges

SR1478 over Swift Creek

Fair

Craven County, North Carolina · 0.4 MI.S.JCT.NC43 · Structure no. 000000000490031

Built
2003
22 years old
Condition
Fair
inspected January 2025
Type
Slab
Prestressed Concrete
Length
302 ft
6 main spans
Daily traffic
500
2019 count
Owner
State
State Highway Agency

About this bridge

SR1478 over Swift Creek is a prestressed concrete slab carrying SR1478 over Swift Creek in Craven County, North Carolina. It was built in 2003, so it is 22 years old, younger 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 6 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 500 vehicles a day, roughly 6% of them trucks, projected to reach 1,000 by 2040. The structure is 302 ft (92 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1478
CrossesSwift Creek
Location0.4 MI.S.JCT.NC43
RouteState Highway 1478
Coordinates35.34551, -77.19666
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating50.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans6
Design loadHS 25 or greater
Structure length302 ft (92 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2019)
Projected traffic1,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR1478 over Swift Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is SR1478 over Swift Creek 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 SR1478 over Swift Creek carry?

About 500 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1478 over Swift Creek?

The structure is 302 ft (92 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns SR1478 over Swift Creek?

It is owned by the State Highway Agency.