US Bridges

SR1555 over Swift Creek

Good

Johnston County, North Carolina · 0.6 MI N. of JCT SR1010 · Structure no. 000000001010145

Built
2022
3 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
223 ft
3 main spans
Daily traffic
9,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR1555 over Swift Creek is a prestressed concrete slab carrying SR1555 over Swift Creek in Johnston County, North Carolina. It was built in 2022, so it is 3 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 9,000 vehicles a day, roughly 7% of them trucks, projected to reach 18,000 by 2040. The structure is 223 ft (67.9 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1555
CrossesSwift Creek
Location0.6 MI N. of JCT SR1010
RouteState Highway 1555
Coordinates35.57492, -78.49849
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.9 US tons
Inventory rating49.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length223 ft (67.9 m)
Longest span99 ft (30.1 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2022)
Projected traffic18,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR1555 over Swift Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is SR1555 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 July 2024.

How much traffic does SR1555 over Swift Creek carry?

About 9,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1555 over Swift Creek?

The structure is 223 ft (67.9 m) long with a longest span of 99 ft (30.1 m) and a deck 51 ft wide.

Who owns SR1555 over Swift Creek?

It is owned by the State Highway Agency.