US Bridges

I73N I840N over I40E

Good

Guilford County, North Carolina · 0.69 Mi. S. Jct. SR1008 · Structure no. 000000000810820

Built
2007
18 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
1 main span
Daily traffic
31,000
2019 count
Owner
State
State Highway Agency

About this bridge

I73N I840N over I40E is a steel stringer/multi-beam or girder carrying I73N I840N over I40E in Guilford County, North Carolina. It was built in 2007, so it is 18 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 31,000 vehicles a day, roughly 16% of them trucks, projected to reach 62,000 by 2040. The structure is 140 ft (42.6 m) long and 72 ft wide.

CarriesI73N I840N
CrossesI40E
Location0.69 Mi. S. Jct. SR1008
RouteInterstate 73
Coordinates36.06571, -79.91928
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating65.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length140 ft (42.6 m)
Longest span135 ft (41.1 m)
Deck width72 ft (22 m)
Roadway width69 ft (21.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,000 (2019)
Projected traffic62,000 by 2040
Trucks16%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 I73N I840N over I40E built?

It was built in 2007, making it 18 years old in 2025.

What condition is I73N I840N over I40E 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 June 2022.

How much traffic does I73N I840N over I40E carry?

About 31,000 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is I73N I840N over I40E?

The structure is 140 ft (42.6 m) long with a longest span of 135 ft (41.1 m) and a deck 72 ft wide.

Who owns I73N I840N over I40E?

It is owned by the State Highway Agency.