US Bridges

NC54 over I40

Good

Wake County, North Carolina · 0.35 MI E. JCT SR1655 · Structure no. 000000001830348

Built
1981
44 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
258 ft
2 main spans
Daily traffic
13,750
2022 count
Owner
State
State Highway Agency

About this bridge

NC54 over I40 is a steel stringer/multi-beam or girder carrying NC54 over I40 in Wake County, North Carolina. It was built in 1981, so it is 44 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 13,750 vehicles a day, roughly 12% of them trucks, projected to reach 27,500 by 2040. The structure is 258 ft (78.6 m) long and 104 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesNC54
CrossesI40
Location0.35 MI E. JCT SR1655
RouteState Highway 54
Coordinates35.79225, -78.74551
Functional classUrban Other Principal Arterial

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.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating84 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length258 ft (78.6 m)
Longest span129 ft (39.3 m)
Deck width104 ft (31.8 m)
Roadway width92 ft (28 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,750 (2022)
Projected traffic27,500 by 2040
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes

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 NC54 over I40 built?

It was built in 1981, making it 44 years old in 2025.

What condition is NC54 over I40 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 December 2024.

How much traffic does NC54 over I40 carry?

About 13,750 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is NC54 over I40?

The structure is 258 ft (78.6 m) long with a longest span of 129 ft (39.3 m) and a deck 104 ft wide.

Who owns NC54 over I40?

It is owned by the State Highway Agency.