US Bridges

I73 I840N.RAMP over I-840 I-840RAMP

Good

Guilford County, North Carolina · 1.3 Mi. S. Jct. SR2137 · Structure no. 000000000810848

Built
2007
18 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
362 ft
4 main spans
Daily traffic
12,625
2019 count
Owner
State
State Highway Agency

About this bridge

I73 I840N.RAMP over I-840 I-840RAMP is a steel continuous stringer/multi-beam or girder carrying I73 I840N.RAMP over I-840 I-840RAMP 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 12,625 vehicles a day, roughly 16% of them trucks, projected to reach 25,250 by 2040. The structure is 362 ft (110.3 m) long and 48 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesI73 I840N.RAMP
CrossesI-840 I-840RAMP
Location1.3 Mi. S. Jct. SR2137
RouteInterstate 73
CountyGuilford County
StateNorth Carolina
Coordinates36.11878, -79.90676
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 inspectionApril 2022
Inspection intervalevery 48 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 rating92.9 US tons
Inventory rating56 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length362 ft (110.3 m)
Longest span96 ft (29.2 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,625 (2019)
Projected traffic25,250 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes

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 I73 I840N.RAMP over I-840 I-840RAMP built?

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

What condition is I73 I840N.RAMP over I-840 I-840RAMP 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 April 2022.

How much traffic does I73 I840N.RAMP over I-840 I-840RAMP carry?

About 12,625 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is I73 I840N.RAMP over I-840 I-840RAMP?

The structure is 362 ft (110.3 m) long with a longest span of 96 ft (29.2 m) and a deck 48 ft wide.

Who owns I73 I840N.RAMP over I-840 I-840RAMP?

It is owned by the State Highway Agency.