US Bridges

SR1743 over Big Marsh Swamp

GoodPosted for load

Robeson County, North Carolina · 0.2 MI.W.JCT.SR1748 · Structure no. 000000001550011

Built
1995
30 years old
Condition
Good
inspected November 2024
Type
Slab
Prestressed Concrete
Length
92 ft
2 main spans
Daily traffic
1,400
2017 count
Owner
State
State Highway Agency

About this bridge

SR1743 over Big Marsh Swamp is a prestressed concrete slab carrying SR1743 over Big Marsh Swamp in Robeson County, North Carolina. It was built in 1995, so it is 30 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. Its operating status is: posted for load restriction.

It carries about 1,400 vehicles a day, roughly 6% of them trucks, projected to reach 2,800 by 2040. The structure is 92 ft (28 m) long and 30 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR1743
CrossesBig Marsh Swamp
Location0.2 MI.W.JCT.SR1748
RouteState Highway 1743
Coordinates34.82309, -79.05715
Functional classRural Local

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.9 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length92 ft (28 m)
Longest span44 ft (13.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2017)
Projected traffic2,800 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 SR1743 over Big Marsh Swamp built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR1743 over Big 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 November 2024.

How much traffic does SR1743 over Big Marsh Swamp carry?

About 1,400 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is SR1743 over Big Marsh Swamp?

The structure is 92 ft (28 m) long with a longest span of 44 ft (13.4 m) and a deck 30 ft wide.

Who owns SR1743 over Big Marsh Swamp?

It is owned by the State Highway Agency.