US Bridges

I40 Wbl over Parkway Branch

Fair

Forsyth County, North Carolina · 1.2 Mi. E. Jct. SR2902 · Structure no. 000000000670483

Built
1992
33 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
47,000
2020 count
Owner
State
State Highway Agency

About this bridge

I40 Wbl over Parkway Branch is a concrete continuous culvert carrying I40 Wbl over Parkway Branch in Forsyth County, North Carolina. It was built in 1992, so it is 33 years old, younger 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 47,000 vehicles a day, roughly 16% of them trucks, projected to reach 94,000 by 2040. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI40 Wbl
CrossesParkway Branch
Location1.2 Mi. E. Jct. SR2902
RouteInterstate 40
CountyForsyth County
StateNorth Carolina
Coordinates36.0657, -80.256
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating61 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length45 ft (13.7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,000 (2020)
Projected traffic94,000 by 2040
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I40 Wbl over Parkway Branch built?

It was built in 1992, making it 33 years old in 2025.

What condition is I40 Wbl over Parkway Branch 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 October 2024.

How much traffic does I40 Wbl over Parkway Branch carry?

About 47,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I40 Wbl over Parkway Branch?

The structure is 45 ft (13.7 m) long with a longest span of 9 ft (2.7 m).

Who owns I40 Wbl over Parkway Branch?

It is owned by the State Highway Agency.