US Bridges

SR1004 over Big Swamp

FairPosted for load

Robeson County, North Carolina · 0.1 Mi. E. Jct. SR1969 · Structure no. 000000001550046

Built
1959
66 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
179 ft
8 main spans
Daily traffic
3,400
2021 count
Owner
State
State Highway Agency

About this bridge

SR1004 over Big Swamp is a concrete continuous slab carrying SR1004 over Big Swamp in Robeson County, North Carolina. It was built in 1959, so it is 66 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 3,400 vehicles a day, roughly 7% of them trucks, projected to reach 6,800 by 2040. The structure is 179 ft (54.5 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR1004
CrossesBig Swamp
Location0.1 Mi. E. Jct. SR1969
RouteState Highway 1004
Coordinates34.71019, -78.83651
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length179 ft (54.5 m)
Longest span22 ft (6.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2021)
Projected traffic6,800 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 SR1004 over Big Swamp built?

It was built in 1959, making it 66 years old in 2025.

What condition is SR1004 over Big Swamp 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 May 2024.

How much traffic does SR1004 over Big Swamp carry?

About 3,400 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1004 over Big Swamp?

The structure is 179 ft (54.5 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.

Who owns SR1004 over Big Swamp?

It is owned by the State Highway Agency.