US Bridges

I785 I840SBL Ramp over I40 I85 Bus

Good

Guilford County, North Carolina · 2.2 MI S. JCT US70 · Structure no. 000000000810815

Built
2000
25 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
358 ft
4 main spans
Daily traffic
8,500
2021 count
Owner
State
State Highway Agency

About this bridge

I785 I840SBL Ramp over I40 I85 Bus is a steel continuous stringer/multi-beam or girder carrying I785 I840SBL Ramp over I40 I85 Bus in Guilford County, North Carolina. It was built in 2000, so it is 25 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 8,500 vehicles a day, roughly 16% of them trucks, projected to reach 17,000 by 2040. The structure is 358 ft (109.1 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI785 I840SBL Ramp
CrossesI40 I85 Bus
Location2.2 MI S. JCT US70
RouteInterstate 785
Coordinates36.05939, -79.68742
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 inspectionAugust 2023
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 rating88 US tons
Inventory rating51.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length358 ft (109.1 m)
Longest span97 ft (29.5 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2021)
Projected traffic17,000 by 2040
Trucks16%
Lanes on structure2
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 I785 I840SBL Ramp over I40 I85 Bus built?

It was built in 2000, making it 25 years old in 2025.

What condition is I785 I840SBL Ramp over I40 I85 Bus 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 August 2023.

How much traffic does I785 I840SBL Ramp over I40 I85 Bus carry?

About 8,500 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is I785 I840SBL Ramp over I40 I85 Bus?

The structure is 358 ft (109.1 m) long with a longest span of 97 ft (29.5 m) and a deck 46 ft wide.

Who owns I785 I840SBL Ramp over I40 I85 Bus?

It is owned by the State Highway Agency.