US Bridges

I-840E over Norfolk S Railroad

Good

Guilford County, North Carolina · 1.3 MI W JCT US29 · Structure no. 000000000811243

Built
2023
2 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
193 ft
3 main spans
Daily traffic
31,580
2018 count
Owner
State
State Highway Agency

About this bridge

I-840E over Norfolk S Railroad is a prestressed concrete slab carrying I-840E over Norfolk S Railroad 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 31,580 vehicles a day, roughly 16% of them trucks, projected to reach 63,160 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).

Location

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CarriesI-840E
CrossesNorfolk S Railroad
Location1.3 MI W JCT US29
RouteInterstate 840
CountyGuilford County
StateNorth Carolina
Coordinates36.15081, -79.75597
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.
Substructure8 Very GoodNo 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length193 ft (58.8 m)
Longest span86 ft (26.2 m)
Deck width63 ft (19.2 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,580 (2018)
Projected traffic63,160 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 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 I-840E over Norfolk S Railroad built?

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

What condition is I-840E over Norfolk S Railroad 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 I-840E over Norfolk S Railroad carry?

About 31,580 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is I-840E over Norfolk S Railroad?

The structure is 193 ft (58.8 m) long with a longest span of 86 ft (26.2 m) and a deck 63 ft wide.

Who owns I-840E over Norfolk S Railroad?

It is owned by the State Highway Agency.