US Bridges

SR1157 over Back Swamp Canal

Good

Robeson County, North Carolina · 0.5 Mi. N. Jct. SR1154 · Structure no. 000000001550432

Built
2020
5 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
87 ft
2 main spans
Daily traffic
100
2018 count
Owner
State
State Highway Agency

About this bridge

SR1157 over Back Swamp Canal is a prestressed concrete slab carrying SR1157 over Back Swamp Canal in Robeson County, North Carolina. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 6% of them trucks, projected to reach 200 by 2040. The structure is 87 ft (26.5 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1157
CrossesBack Swamp Canal
Location0.5 Mi. N. Jct. SR1154
RouteState Highway 1157
Coordinates34.62498, -79.21469
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length87 ft (26.5 m)
Longest span54 ft (16.4 m)
Deck width33 ft (10 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2018)
Projected traffic200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR1157 over Back Swamp Canal built?

It was built in 2020, making it 5 years old in 2025.

What condition is SR1157 over Back Swamp Canal 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 February 2024.

How much traffic does SR1157 over Back Swamp Canal carry?

About 100 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is SR1157 over Back Swamp Canal?

The structure is 87 ft (26.5 m) long with a longest span of 54 ft (16.4 m) and a deck 33 ft wide.

Who owns SR1157 over Back Swamp Canal?

It is owned by the State Highway Agency.