US Bridges

SR1308 over I40

Fair

Johnston County, North Carolina · 0.8 MI.S.JCT.SR1331 · Structure no. 000000001010471

Built
1987
38 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
243 ft
4 main spans
Daily traffic
1,100
2019 count
Owner
State
State Highway Agency

About this bridge

SR1308 over I40 is a prestressed concrete stringer/multi-beam or girder carrying SR1308 over I40 in Johnston County, North Carolina. It was built in 1987, so it is 38 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 6 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 1,100 vehicles a day, roughly 6% of them trucks, projected to reach 2,200 by 2040. The structure is 243 ft (74 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1308
CrossesI40
Location0.8 MI.S.JCT.SR1331
RouteState Highway 1308
Coordinates35.44985, -78.53356
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length243 ft (74 m)
Longest span73 ft (22.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2019)
Projected traffic2,200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1308 over I40 built?

It was built in 1987, making it 38 years old in 2025.

What condition is SR1308 over I40 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 February 2025.

How much traffic does SR1308 over I40 carry?

About 1,100 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1308 over I40?

The structure is 243 ft (74 m) long with a longest span of 73 ft (22.2 m) and a deck 27 ft wide.

Who owns SR1308 over I40?

It is owned by the State Highway Agency.