US Bridges

I40 Wbl US311 Nbl over Willard Road

Fair

Forsyth County, North Carolina · 1.1 MI.E.JCT.NC109 · Structure no. 000000000670011

Built
1980
45 years old, rebuilt 1989
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
178 ft
3 main spans
Daily traffic
49,250
2022 count
Owner
State
State Highway Agency

About this bridge

I40 Wbl US311 Nbl over Willard Road is a prestressed concrete stringer/multi-beam or girder carrying I40 Wbl US311 Nbl over Willard Road in Forsyth County, North Carolina. It was built in 1980 and reconstructed in 1989, so it is 45 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 49,250 vehicles a day, roughly 16% of them trucks, projected to reach 98,500 by 2040. The structure is 178 ft (54.2 m) long and 63 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI40 Wbl US311 Nbl
CrossesWillard Road
Location1.1 MI.E.JCT.NC109
RouteInterstate 40
CountyForsyth County
StateNorth Carolina
Coordinates36.06049, -80.19499
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating82.9 US tons
Inventory rating48.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length178 ft (54.2 m)
Longest span75 ft (22.8 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,250 (2022)
Projected traffic98,500 by 2040
Trucks16%
Lanes on structure4
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 Wbl US311 Nbl over Willard Road built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 1989.

What condition is I40 Wbl US311 Nbl over Willard Road 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 November 2023.

How much traffic does I40 Wbl US311 Nbl over Willard Road carry?

About 49,250 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I40 Wbl US311 Nbl over Willard Road?

The structure is 178 ft (54.2 m) long with a longest span of 75 ft (22.8 m) and a deck 63 ft wide.

Who owns I40 Wbl US311 Nbl over Willard Road?

It is owned by the State Highway Agency.