US Bridges

SR1501 over Swift Creek

Good

Johnston County, North Carolina · 1.0 MI.S.JCT.US70 · Structure no. 000000001010200

Built
1985
40 years old
Condition
Good
inspected March 2021
Type
Slab
Prestressed Concrete
Length
137 ft
3 main spans
Daily traffic
3,500
2019 count
Owner
State
State Highway Agency

About this bridge

SR1501 over Swift Creek is a prestressed concrete slab carrying SR1501 over Swift Creek in Johnston County, North Carolina. It was built in 1985, so it is 40 years old, older 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 3,500 vehicles a day, roughly 7% of them trucks, projected to reach 7,000 by 2040. The structure is 137 ft (41.7 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSR1501
CrossesSwift Creek
Location1.0 MI.S.JCT.US70
RouteState Highway 1501
CountyJohnston County
StateNorth Carolina
Coordinates35.54439, -78.39682
Functional classRural Major Collector

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 inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating49.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length137 ft (41.7 m)
Longest span44 ft (13.4 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2019)
Projected traffic7,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1501 over Swift Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR1501 over 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 March 2021.

How much traffic does SR1501 over Swift Creek carry?

About 3,500 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR1501 over Swift Creek?

The structure is 137 ft (41.7 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns SR1501 over Swift Creek?

It is owned by the State Highway Agency.