US Bridges

I40 Bus Wbl over Southern Railway

Fair

Forsyth County, North Carolina · 0.6 Mi. E. Jct. US158 · Structure no. 000000000670363

Built
2006
19 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
204 ft
1 main span
Daily traffic
19,750
2020 count
Owner
State
State Highway Agency

About this bridge

I40 Bus Wbl over Southern Railway is a steel stringer/multi-beam or girder carrying I40 Bus Wbl over Southern Railway in Forsyth County, North Carolina. It was built in 2006, so it is 19 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 19,750 vehicles a day, roughly 12% of them trucks, projected to reach 39,500 by 2040. The structure is 204 ft (62.1 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 Bus Wbl
CrossesSouthern Railway
Location0.6 Mi. E. Jct. US158
RouteInterstate 40
CountyForsyth County
StateNorth Carolina
Coordinates36.10637, -80.18036
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating26.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length204 ft (62.1 m)
Longest span196 ft (59.7 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,750 (2020)
Projected traffic39,500 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 Bus Wbl over Southern Railway built?

It was built in 2006, making it 19 years old in 2025.

What condition is I40 Bus Wbl over Southern Railway 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 2024.

How much traffic does I40 Bus Wbl over Southern Railway carry?

About 19,750 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is I40 Bus Wbl over Southern Railway?

The structure is 204 ft (62.1 m) long with a longest span of 196 ft (59.7 m) and a deck 58 ft wide.

Who owns I40 Bus Wbl over Southern Railway?

It is owned by the State Highway Agency.