US Bridges

US158 over Gumberry Swamp

Good

Northampton County, North Carolina · 0.6 MI.W.JCT.SR1126 · Structure no. 000000001310112

Built
2003
22 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
3,650
2021 count
Owner
State
State Highway Agency

About this bridge

US158 over Gumberry Swamp is a prestressed concrete slab carrying US158 over Gumberry Swamp in Northampton 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,650 vehicles a day, roughly 14% of them trucks, projected to reach 7,300 by 2040. The structure is 122 ft (37.1 m) long and 42 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUS158
CrossesGumberry Swamp
Location0.6 MI.W.JCT.SR1126
RouteU.S. Route 158
Coordinates36.37712, -77.45232
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length122 ft (37.1 m)
Longest span49 ft (14.9 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,650 (2021)
Projected traffic7,300 by 2040
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US158 over Gumberry Swamp built?

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

What condition is US158 over Gumberry 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 January 2025.

How much traffic does US158 over Gumberry Swamp carry?

About 3,650 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US158 over Gumberry Swamp?

The structure is 122 ft (37.1 m) long with a longest span of 49 ft (14.9 m) and a deck 42 ft wide.

Who owns US158 over Gumberry Swamp?

It is owned by the State Highway Agency.