US Bridges

SR1317 over Gum Swamp

Good

Columbus County, North Carolina · 0.3 MI N. of JCT SR1314 · Structure no. 000000000470118

Built
2017
8 years old
Condition
Good
inspected January 2022
Type
Slab
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
840
2018 count
Owner
State
State Highway Agency

About this bridge

SR1317 over Gum Swamp is a prestressed concrete slab carrying SR1317 over Gum Swamp in Columbus County, North Carolina. It was built in 2017, so it is 8 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 840 vehicles a day, roughly 6% of them trucks, projected to reach 1,680 by 2040. The structure is 72 ft (21.9 m) long and 33 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR1317
CrossesGum Swamp
Location0.3 MI N. of JCT SR1314
RouteState Highway 1317
CountyColumbus County
StateNorth Carolina
Coordinates34.21514, -78.84381
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHL 93
Structure length72 ft (21.9 m)
Longest span69 ft (21 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2018)
Projected traffic1,680 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 SR1317 over Gum Swamp built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR1317 over Gum 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 January 2022.

How much traffic does SR1317 over Gum Swamp carry?

About 840 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is SR1317 over Gum Swamp?

The structure is 72 ft (21.9 m) long with a longest span of 69 ft (21 m) and a deck 33 ft wide.

Who owns SR1317 over Gum Swamp?

It is owned by the State Highway Agency.