US Bridges

US401 NC39 NC56 over Tar River

Fair

Franklin County, North Carolina · 0.3 Mi. S. Jct. NC56 · Structure no. 000000000690033

Built
1982
43 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
301 ft
5 main spans
Daily traffic
21,500
2019 count
Owner
State
State Highway Agency

About this bridge

US401 NC39 NC56 over Tar River is a prestressed concrete stringer/multi-beam or girder carrying US401 NC39 NC56 over Tar River in Franklin County, North Carolina. It was built in 1982, so it is 43 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 21,500 vehicles a day, roughly 14% of them trucks, projected to reach 43,000 by 2040. The structure is 301 ft (91.7 m) long and 83 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS401 NC39 NC56
CrossesTar River
Location0.3 Mi. S. Jct. NC56
RouteU.S. Route 401
Coordinates36.0945, -78.29767
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection7 GoodSome minor problems.
Last inspectionMay 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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length301 ft (91.7 m)
Longest span58 ft (17.6 m)
Deck width83 ft (25.4 m)
Roadway width76 ft (23.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,500 (2019)
Projected traffic43,000 by 2040
Trucks14%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US401 NC39 NC56 over Tar River built?

It was built in 1982, making it 43 years old in 2025.

What condition is US401 NC39 NC56 over Tar River 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 May 2023.

How much traffic does US401 NC39 NC56 over Tar River carry?

About 21,500 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is US401 NC39 NC56 over Tar River?

The structure is 301 ft (91.7 m) long with a longest span of 58 ft (17.6 m) and a deck 83 ft wide.

Who owns US401 NC39 NC56 over Tar River?

It is owned by the State Highway Agency.