US Bridges

I-40 Wbl over SR1761

Fair

Burke County, North Carolina · .8 MI.E.JCT.SR1758 · Structure no. 000000000230168

Built
1958
67 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
174 ft
3 main spans
Daily traffic
22,250
2020 count
Owner
State
State Highway Agency

About this bridge

I-40 Wbl over SR1761 is a steel stringer/multi-beam or girder carrying I-40 Wbl over SR1761 in Burke County, North Carolina. It was built in 1958, so it is 67 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 174 ft (53 m) long and 44 ft wide.

CarriesI-40 Wbl
CrossesSR1761
Location.8 MI.E.JCT.SR1758
RouteInterstate 40
Coordinates35.72044, -81.4682
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 rating86 US tons
Inventory rating50.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length174 ft (53 m)
Longest span59 ft (17.9 m)
Deck width44 ft (13.4 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 closed—
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 I-40 Wbl over SR1761 built?

It was built in 1958, making it 67 years old in 2025.

What condition is I-40 Wbl over SR1761 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 May 2023.

How much traffic does I-40 Wbl over SR1761 carry?

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

How long is I-40 Wbl over SR1761?

The structure is 174 ft (53 m) long with a longest span of 59 ft (17.9 m) and a deck 44 ft wide.

Who owns I-40 Wbl over SR1761?

It is owned by the State Highway Agency.