US Bridges

SR1430 over Big Swamp

Good

Sampson County, North Carolina · 0.3 Mi. S. Jct. SR1428 · Structure no. 000000001630123

Built
2023
2 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
92 ft
2 main spans
Daily traffic
100
2020 count
Owner
State
State Highway Agency

About this bridge

SR1430 over Big Swamp is a prestressed concrete slab carrying SR1430 over Big Swamp in Sampson County, North Carolina. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 6% of them trucks, projected to reach 200 by 2040. The structure is 92 ft (28 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR1430
CrossesBig Swamp
Location0.3 Mi. S. Jct. SR1428
RouteState Highway 1430
CountySampson County
StateNorth Carolina
Coordinates35.06117, -78.59432
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72 US tons
Inventory rating54.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length92 ft (28 m)
Longest span49 ft (14.9 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic200 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 SR1430 over Big Swamp built?

It was built in 2023, making it 2 years old in 2025.

What condition is SR1430 over Big 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 March 2023.

How much traffic does SR1430 over Big Swamp carry?

About 100 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SR1430 over Big Swamp?

The structure is 92 ft (28 m) long with a longest span of 49 ft (14.9 m) and a deck 30 ft wide.

Who owns SR1430 over Big Swamp?

It is owned by the State Highway Agency.