US Bridges

NC710 over Lumber River

Fair

Robeson County, North Carolina · 200 N. JCT.SR1373 · Structure no. 000000001550076

Built
1962
63 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
300 ft
6 main spans
Daily traffic
5,600
2022 count
Owner
State
State Highway Agency

About this bridge

NC710 over Lumber River is a steel continuous stringer/multi-beam or girder carrying NC710 over Lumber River in Robeson County, North Carolina. It was built in 1962, so it is 63 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 5,600 vehicles a day, roughly 8% of them trucks, projected to reach 11,200 by 2040. The structure is 300 ft (91.4 m) long and 33 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesNC710
CrossesLumber River
Location200 N. JCT.SR1373
RouteState Highway 710
Coordinates34.68006, -79.23576
Functional classRural Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 rating56 US tons
Inventory rating34 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 15
Structure length300 ft (91.4 m)
Longest span48 ft (14.6 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2022)
Projected traffic11,200 by 2040
Trucks8%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC710 over Lumber River built?

It was built in 1962, making it 63 years old in 2025.

What condition is NC710 over Lumber 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 April 2024.

How much traffic does NC710 over Lumber River carry?

About 5,600 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is NC710 over Lumber River?

The structure is 300 ft (91.4 m) long with a longest span of 48 ft (14.6 m) and a deck 33 ft wide.

Who owns NC710 over Lumber River?

It is owned by the State Highway Agency.