US Bridges

I40 Wbl over US64 NC90

Good

Iredell County, North Carolina · 1.8 Mi. W. of Nc 115 · Structure no. 000000000970109

Built
1953
72 years old, rebuilt 1985
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
235 ft
4 main spans
Daily traffic
22,250
2020 count
Owner
State
State Highway Agency

About this bridge

I40 Wbl over US64 NC90 is a steel stringer/multi-beam or girder carrying I40 Wbl over US64 NC90 in Iredell County, North Carolina. It was built in 1953 and reconstructed in 1985, so it is 72 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 22,250 vehicles a day, roughly 16% of them trucks, projected to reach 44,500 by 2040. The structure is 235 ft (71.6 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI40 Wbl
CrossesUS64 NC90
Location1.8 Mi. W. of Nc 115
RouteInterstate 40
CountyIredell County
StateNorth Carolina
Coordinates35.79411, -80.9362
Functional classUrban Principal Arterial - Interstate

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating66.9 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length235 ft (71.6 m)
Longest span69 ft (21 m)
Deck width45 ft (13.8 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,250 (2020)
Projected traffic44,500 by 2040
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I40 Wbl over US64 NC90 built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1985.

What condition is I40 Wbl over US64 NC90 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 September 2023.

How much traffic does I40 Wbl over US64 NC90 carry?

About 22,250 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I40 Wbl over US64 NC90?

The structure is 235 ft (71.6 m) long with a longest span of 69 ft (21 m) and a deck 45 ft wide.

Who owns I40 Wbl over US64 NC90?

It is owned by the State Highway Agency.