US Bridges

I40 Wbl over SR1945

Fair

Durham County, North Carolina · 0.3 Mi. E. Jct. NC55 · Structure no. 000000000630293

Built
1985
40 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
125 ft
3 main spans
Daily traffic
65,500
2022 count
Owner
State
State Highway Agency

About this bridge

I40 Wbl over SR1945 is a prestressed concrete stringer/multi-beam or girder carrying I40 Wbl over SR1945 in Durham County, North Carolina. It was built in 1985, so it is 40 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 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 65,500 vehicles a day, roughly 16% of them trucks, projected to reach 131,000 by 2040. The structure is 125 ft (38.1 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI40 Wbl
CrossesSR1945
Location0.3 Mi. E. Jct. NC55
RouteInterstate 40
CountyDurham County
StateNorth Carolina
Coordinates35.90617, -78.88876
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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length125 ft (38.1 m)
Longest span51 ft (15.5 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,500 (2022)
Projected traffic131,000 by 2040
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 Wbl over SR1945 built?

It was built in 1985, making it 40 years old in 2025.

What condition is I40 Wbl over SR1945 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 January 2025.

How much traffic does I40 Wbl over SR1945 carry?

About 65,500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I40 Wbl over SR1945?

The structure is 125 ft (38.1 m) long with a longest span of 51 ft (15.5 m) and a deck 58 ft wide.

Who owns I40 Wbl over SR1945?

It is owned by the State Highway Agency.