US Bridges

NC71 over Gum Swamp

Good

Robeson County, North Carolina · .2 Mi.S. Jct. SR1316 · Structure no. 000000001550473

Built
2014
11 years old
Condition
Good
inspected April 2022
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
29 ft
1 main span
Daily traffic
5,800
2019 count
Owner
State
State Highway Agency

About this bridge

NC71 over Gum Swamp is a aluminum, wrought iron, or cast iron culvert carrying NC71 over Gum Swamp in Robeson County, North Carolina. It was built in 2014, so it is 11 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,800 vehicles a day, roughly 7% of them trucks, projected to reach 11,600 by 2040. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNC71
CrossesGum Swamp
Location.2 Mi.S. Jct. SR1316
RouteState Highway 71
Coordinates34.79261, -79.28295
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHL 93
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2019)
Projected traffic11,600 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC71 over Gum Swamp built?

It was built in 2014, making it 11 years old in 2025.

What condition is NC71 over Gum Swamp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2022.

How much traffic does NC71 over Gum Swamp carry?

About 5,800 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is NC71 over Gum Swamp?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m).

Who owns NC71 over Gum Swamp?

It is owned by the State Highway Agency.