US Bridges

I40 Wbl over NC115

Fair

Iredell County, North Carolina · 0.9 Mi. W. Jct. SR 2003 · Structure no. 000000000970124

Built
1953
72 years old, rebuilt 1985
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
133 ft
3 main spans
Daily traffic
22,250
2020 count
Owner
State
State Highway Agency

About this bridge

I40 Wbl over NC115 is a concrete tee beam carrying I40 Wbl over NC115 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 fair condition with a lowest component rating of 5 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 22,250 vehicles a day, roughly 16% of them trucks, projected to reach 44,500 by 2040. The structure is 133 ft (40.5 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI40 Wbl
CrossesNC115
Location0.9 Mi. W. Jct. SR 2003
RouteInterstate 40
Coordinates35.80166, -80.90536
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length133 ft (40.5 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,250 (2020)
Projected traffic44,500 by 2040
Trucks16%
Lanes on structure2
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 NC115 built?

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

What condition is I40 Wbl over NC115 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 September 2023.

How much traffic does I40 Wbl over NC115 carry?

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

How long is I40 Wbl over NC115?

The structure is 133 ft (40.5 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns I40 Wbl over NC115?

It is owned by the State Highway Agency.