US Bridges

I73 I840 Sbl over I73 I840 Sbl Ramp

Good

Guilford County, North Carolina · 0.5 Mi. S. Jct. SR1008 · Structure no. 000000000810825

Built
2008
17 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
180 ft
1 main span
Daily traffic
32,250
2019 count
Owner
State
State Highway Agency

About this bridge

I73 I840 Sbl over I73 I840 Sbl Ramp is a steel stringer/multi-beam or girder carrying I73 I840 Sbl over I73 I840 Sbl Ramp 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 32,250 vehicles a day, roughly 16% of them trucks, projected to reach 64,500 by 2040. The structure is 180 ft (54.8 m) long and 48 ft wide.

CarriesI73 I840 Sbl
CrossesI73 I840 Sbl Ramp
Location0.5 Mi. S. Jct. SR1008
RouteInterstate 73
Coordinates36.06884, -79.91924
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.
Superstructure7 GoodSome minor problems.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length180 ft (54.8 m)
Longest span175 ft (53.3 m)
Deck width48 ft (14.7 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic32,250 (2019)
Projected traffic64,500 by 2040
Trucks16%
Lanes on structure2
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 I73 I840 Sbl over I73 I840 Sbl Ramp built?

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

What condition is I73 I840 Sbl over I73 I840 Sbl Ramp 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 I840 Sbl over I73 I840 Sbl Ramp carry?

About 32,250 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is I73 I840 Sbl over I73 I840 Sbl Ramp?

The structure is 180 ft (54.8 m) long with a longest span of 175 ft (53.3 m) and a deck 48 ft wide.

Who owns I73 I840 Sbl over I73 I840 Sbl Ramp?

It is owned by the State Highway Agency.