US Bridges

SR1548 over Branch of Swift Creek

Good

Johnston County, North Carolina · 0.8 MI.W.JCT.SR1525 · Structure no. 000000001010279

Built
2011
14 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
30 ft
3 main spans
Daily traffic
270
2016 count
Owner
State
State Highway Agency

About this bridge

SR1548 over Branch of Swift Creek is a concrete continuous culvert carrying SR1548 over Branch of Swift Creek in Johnston County, North Carolina. It was built in 2011, so it is 14 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 270 vehicles a day, roughly 6% of them trucks, projected to reach 540 by 2040. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR1548
CrossesBranch of Swift Creek
Location0.8 MI.W.JCT.SR1525
RouteState Highway 1548
Coordinates35.62742, -78.5497
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2016)
Projected traffic540 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 SR1548 over Branch of Swift Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is SR1548 over Branch of Swift Creek 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 August 2023.

How much traffic does SR1548 over Branch of Swift Creek carry?

About 270 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1548 over Branch of Swift Creek?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m).

Who owns SR1548 over Branch of Swift Creek?

It is owned by the State Highway Agency.