US Bridges

W.Fourth Street over I40 Bus US421 US158

Good

Forsyth County, North Carolina · 0.2 MI.N.JCT.NC150 · Structure no. 000000000670269

Built
2019
6 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
3,650
2022 count
Owner
State
State Highway Agency

About this bridge

W.Fourth Street over I40 Bus US421 US158 is a prestressed concrete box beam or girders - multiple carrying W.Fourth Street over I40 Bus US421 US158 in Forsyth County, North Carolina. It was built in 2019, so it is 6 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,650 vehicles a day, roughly 7% of them trucks, projected to reach 7,300 by 2040. The structure is 101 ft (30.7 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesW.Fourth Street
CrossesI40 Bus US421 US158
Location0.2 MI.N.JCT.NC150
RouteCity Street 0
Coordinates36.08917, -80.25879
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating63.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length101 ft (30.7 m)
Longest span97 ft (29.5 m)
Deck width52 ft (15.7 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,650 (2022)
Projected traffic7,300 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 W.Fourth Street over I40 Bus US421 US158 built?

It was built in 2019, making it 6 years old in 2025.

What condition is W.Fourth Street over I40 Bus US421 US158 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does W.Fourth Street over I40 Bus US421 US158 carry?

About 3,650 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is W.Fourth Street over I40 Bus US421 US158?

The structure is 101 ft (30.7 m) long with a longest span of 97 ft (29.5 m) and a deck 52 ft wide.

Who owns W.Fourth Street over I40 Bus US421 US158?

It is owned by the State Highway Agency.