US Bridges

SR1001 over White Marsh Swamp

Good

Columbus County, North Carolina · 0.90 MI.N.JCT.SR1924 · Structure no. 000000000470007

Built
1998
27 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
4 main spans
Daily traffic
2,100
2022 count
Owner
State
State Highway Agency

About this bridge

SR1001 over White Marsh Swamp is a prestressed concrete stringer/multi-beam or girder carrying SR1001 over White Marsh Swamp in Columbus County, North Carolina. It was built in 1998, so it is 27 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 2,100 vehicles a day, roughly 7% of them trucks, projected to reach 4,200 by 2040. The structure is 182 ft (55.4 m) long and 38 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

Location

Open in Google Maps
CarriesSR1001
CrossesWhite Marsh Swamp
Location0.90 MI.N.JCT.SR1924
RouteState Highway 1001
CountyColumbus County
StateNorth Carolina
Coordinates34.24463, -78.61737
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating52.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20 + Mod
Structure length182 ft (55.4 m)
Longest span43 ft (13.1 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2022)
Projected traffic4,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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 SR1001 over White Marsh Swamp built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR1001 over White Marsh 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 September 2024.

How much traffic does SR1001 over White Marsh Swamp carry?

About 2,100 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1001 over White Marsh Swamp?

The structure is 182 ft (55.4 m) long with a longest span of 43 ft (13.1 m) and a deck 38 ft wide.

Who owns SR1001 over White Marsh Swamp?

It is owned by the State Highway Agency.