US Bridges

I840 Wbl over SR2359

Good

Guilford County, North Carolina · 1.1 Mi. W. Jct. US29 · Structure no. 000000000811242

Built
2023
2 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
109 ft
1 main span
Daily traffic
6,500
2019 count
Owner
State
State Highway Agency

About this bridge

I840 Wbl over SR2359 is a prestressed concrete stringer/multi-beam or girder carrying I840 Wbl over SR2359 in Guilford County, North Carolina. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,500 vehicles a day, roughly 16% of them trucks, projected to reach 13,000 by 2040. The structure is 109 ft (33.2 m) long and 64 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI840 Wbl
CrossesSR2359
Location1.1 Mi. W. Jct. US29
RouteInterstate 840
Coordinates36.15089, -79.75358
Functional classUrban Principal Arterial - Interstate

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.
Substructure9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating54.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length109 ft (33.2 m)
Longest span105 ft (32 m)
Deck width64 ft (19.5 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2019)
Projected traffic13,000 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 I840 Wbl over SR2359 built?

It was built in 2023, making it 2 years old in 2025.

What condition is I840 Wbl over SR2359 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 May 2023.

How much traffic does I840 Wbl over SR2359 carry?

About 6,500 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is I840 Wbl over SR2359?

The structure is 109 ft (33.2 m) long with a longest span of 105 ft (32 m) and a deck 64 ft wide.

Who owns I840 Wbl over SR2359?

It is owned by the State Highway Agency.