US Bridges

NC4 NC43 over Trib of Swift Creek

Fair

Nash County, North Carolina · 0.4 MI.N.SR1531 · Structure no. 000000001270318

Built
1960
65 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
22 ft
3 main spans
Daily traffic
3,000
2021 count
Owner
State
State Highway Agency

About this bridge

NC4 NC43 over Trib of Swift Creek is a concrete continuous culvert carrying NC4 NC43 over Trib of Swift Creek in Nash County, North Carolina. It was built in 1960, so it is 65 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 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 3,000 vehicles a day, roughly 7% of them trucks, projected to reach 6,000 by 2040. The structure is 22 ft (6.7 m) long and 31 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesNC4 NC43
CrossesTrib of Swift Creek
Location0.4 MI.N.SR1531
RouteState Highway 43
CountyNash County
StateNorth Carolina
Coordinates36.07881, -77.93379
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span7 ft (2.1 m)
Deck width31 ft (9.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2021)
Projected traffic6,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 NC4 NC43 over Trib of Swift Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is NC4 NC43 over Trib of 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 June 2024.

How much traffic does NC4 NC43 over Trib of Swift Creek carry?

About 3,000 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is NC4 NC43 over Trib of Swift Creek?

The structure is 22 ft (6.7 m) long with a longest span of 7 ft (2.1 m) and a deck 31 ft wide.

Who owns NC4 NC43 over Trib of Swift Creek?

It is owned by the State Highway Agency.