US Bridges

US301 over I40

Fair

Johnston County, North Carolina · 0.2 Mi. S. of Jct. SR1227 · Structure no. 000000001010484

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
305 ft
4 main spans
Daily traffic
3,800
2022 count
Owner
State
State Highway Agency

About this bridge

US301 over I40 is a steel stringer/multi-beam or girder carrying US301 over I40 in Johnston County, North Carolina. It was built in 1988, so it is 37 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 3,800 vehicles a day, roughly 6% of them trucks, projected to reach 7,600 by 2040. The structure is 305 ft (92.9 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS301
CrossesI40
Location0.2 Mi. S. of Jct. SR1227
RouteU.S. Route 301
CountyJohnston County
StateNorth Carolina
Coordinates35.39812, -78.52269
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 rating99 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length305 ft (92.9 m)
Longest span119 ft (36.2 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic7,600 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US301 over I40 built?

It was built in 1988, making it 37 years old in 2025.

What condition is US301 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 August 2024.

How much traffic does US301 over I40 carry?

About 3,800 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is US301 over I40?

The structure is 305 ft (92.9 m) long with a longest span of 119 ft (36.2 m) and a deck 33 ft wide.

Who owns US301 over I40?

It is owned by the State Highway Agency.