US Bridges

US158 over Run Swamp

Good

Camden County, North Carolina · 0.8MI E. of JCT SR1135 · Structure no. 000000000290009

Built
2002
23 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
71 ft
2 main spans
Daily traffic
9,000
2022 count
Owner
State
State Highway Agency

About this bridge

US158 over Run Swamp is a prestressed concrete slab carrying US158 over Run Swamp in Camden County, North Carolina. It was built in 2002, so it is 23 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 9,000 vehicles a day, roughly 8% of them trucks, projected to reach 18,000 by 2040. The structure is 71 ft (21.6 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS158
CrossesRun Swamp
Location0.8MI E. of JCT SR1135
RouteU.S. Route 158
Coordinates36.3634, -76.11772
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating60 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length71 ft (21.6 m)
Longest span34 ft (10.3 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2022)
Projected traffic18,000 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 US158 over Run Swamp built?

It was built in 2002, making it 23 years old in 2025.

What condition is US158 over Run 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 October 2024.

How much traffic does US158 over Run Swamp carry?

About 9,000 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US158 over Run Swamp?

The structure is 71 ft (21.6 m) long with a longest span of 34 ft (10.3 m) and a deck 30 ft wide.

Who owns US158 over Run Swamp?

It is owned by the State Highway Agency.