US Bridges

I-840W over Norfolk Southern RR

Good

Guilford County, North Carolina · 0.14 MI W JCT SR2359 · Structure no. 000000000811244

Built
2021
4 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
193 ft
3 main spans
Daily traffic
13,000
2018 count
Owner
State
State Highway Agency

About this bridge

I-840W over Norfolk Southern RR is a prestressed concrete stringer/multi-beam or girder carrying I-840W over Norfolk Southern RR in Guilford County, North Carolina. It was built in 2021, so it is 4 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 13,000 vehicles a day, roughly 16% of them trucks, projected to reach 26,000 by 2040. The structure is 193 ft (58.8 m) long and 63 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-840W
CrossesNorfolk Southern RR
Location0.14 MI W JCT SR2359
RouteInterstate 840
Coordinates36.15079, -79.75605
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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length193 ft (58.8 m)
Longest span87 ft (26.5 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2018)
Projected traffic26,000 by 2040
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate 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 I-840W over Norfolk Southern RR built?

It was built in 2021, making it 4 years old in 2025.

What condition is I-840W over Norfolk Southern RR 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 January 2025.

How much traffic does I-840W over Norfolk Southern RR carry?

About 13,000 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is I-840W over Norfolk Southern RR?

The structure is 193 ft (58.8 m) long with a longest span of 87 ft (26.5 m) and a deck 63 ft wide.

Who owns I-840W over Norfolk Southern RR?

It is owned by the State Highway Agency.