US Bridges

SR1302 over Singletree Swamp

Good

Brunswick County, North Carolina · 0.1 Mi. N. of Jct. US17 · Structure no. 000000000190143

Built
2010
15 years old
Condition
Good
inspected April 2021
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
35 ft
1 main span
Daily traffic
550
2018 count
Owner
State
State Highway Agency

About this bridge

SR1302 over Singletree Swamp is a aluminum, wrought iron, or cast iron culvert carrying SR1302 over Singletree Swamp in Brunswick County, North Carolina. It was built in 2010, so it is 15 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 550 vehicles a day, roughly 6% of them trucks, projected to reach 1,100 by 2040. The structure is 35 ft (10.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1302
CrossesSingletree Swamp
Location0.1 Mi. N. of Jct. US17
RouteState Highway 1302
Coordinates33.92065, -78.57938
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating56 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length35 ft (10.6 m)
Longest span35 ft (10.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2018)
Projected traffic1,100 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1302 over Singletree Swamp built?

It was built in 2010, making it 15 years old in 2025.

What condition is SR1302 over Singletree 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 April 2021.

How much traffic does SR1302 over Singletree Swamp carry?

About 550 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is SR1302 over Singletree Swamp?

The structure is 35 ft (10.6 m) long with a longest span of 35 ft (10.6 m).

Who owns SR1302 over Singletree Swamp?

It is owned by the State Highway Agency.