US Bridges

SR1708 over Horseshoe Swamp

Good

Bladen County, North Carolina · 1.5 MI S. of JCT SR1712 · Structure no. 000000000170033

Built
2008
17 years old
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
122 ft
2 main spans
Daily traffic
300
2022 count
Owner
State
State Highway Agency

About this bridge

SR1708 over Horseshoe Swamp is a prestressed concrete slab carrying SR1708 over Horseshoe Swamp in Bladen County, North Carolina. It was built in 2008, so it is 17 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 300 vehicles a day, roughly 6% of them trucks, projected to reach 600 by 2040. The structure is 122 ft (37.1 m) long and 33 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1708
CrossesHorseshoe Swamp
Location1.5 MI S. of JCT SR1712
RouteState Highway 1708
Coordinates34.49068, -78.55744
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length122 ft (37.1 m)
Longest span59 ft (17.9 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR1708 over Horseshoe Swamp built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR1708 over Horseshoe 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 June 2024.

How much traffic does SR1708 over Horseshoe Swamp carry?

About 300 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1708 over Horseshoe Swamp?

The structure is 122 ft (37.1 m) long with a longest span of 59 ft (17.9 m) and a deck 33 ft wide.

Who owns SR1708 over Horseshoe Swamp?

It is owned by the State Highway Agency.