US Bridges

I73N I840S Ramp over I40W

Good

Guilford County, North Carolina · 0.63 Mi. S. Jct. SR1008 · Structure no. 000000000810824

Built
2008
17 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
238 ft
Daily traffic
16,125
2019 count
Owner
State
State Highway Agency

About this bridge

I73N I840S Ramp over I40W is a steel stringer/multi-beam or girder carrying I73N I840S Ramp over I40W in Guilford County, North Carolina. It was built in 2008, so it is 17 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 16,125 vehicles a day, roughly 16% of them trucks, projected to reach 32,250 by 2040. The structure is 238 ft (72.5 m) long and 63 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI73N I840S Ramp
CrossesI40W
Location0.63 Mi. S. Jct. SR1008
RouteInterstate 73
Coordinates36.06728, -79.92034
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating60 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans0 (+2 approach)
Design loadHS 20 + Mod
Structure length238 ft (72.5 m)
Longest span232 ft (70.7 m)
Deck width63 ft (19.1 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,125 (2019)
Projected traffic32,250 by 2040
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 I73N I840S Ramp over I40W built?

It was built in 2008, making it 17 years old in 2025.

What condition is I73N I840S Ramp over I40W 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 2024.

How much traffic does I73N I840S Ramp over I40W carry?

About 16,125 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is I73N I840S Ramp over I40W?

The structure is 238 ft (72.5 m) long with a longest span of 232 ft (70.7 m) and a deck 63 ft wide.

Who owns I73N I840S Ramp over I40W?

It is owned by the State Highway Agency.