US Bridges

SR1513 over Branch of Middle Swamp

Fair

Brunswick County, North Carolina · 0.4 MI.E.JCT.US17 Bus · Structure no. 000000000190129

Built
1990
35 years old
Condition
Fair
inspected March 2023
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
2,500
2020 count
Owner
State
State Highway Agency

About this bridge

SR1513 over Branch of Middle Swamp is a steel culvert carrying SR1513 over Branch of Middle Swamp in Brunswick County, North Carolina. It was built in 1990, so it is 35 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,500 vehicles a day, roughly 6% of them trucks, projected to reach 5,000 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1513
CrossesBranch of Middle Swamp
Location0.4 MI.E.JCT.US17 Bus
RouteState Highway 1513
Coordinates34.0681, -78.14078
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2020)
Projected traffic5,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SR1513 over Branch of Middle Swamp built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR1513 over Branch of Middle Swamp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does SR1513 over Branch of Middle Swamp carry?

About 2,500 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SR1513 over Branch of Middle Swamp?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).

Who owns SR1513 over Branch of Middle Swamp?

It is owned by the State Highway Agency.