US Bridges

I785 I840 Nbl over I40 I85 Bus

Good

Guilford County, North Carolina · 0.4 Mi. S. Jct. I40 I85 · Structure no. 000000000810817

Built
2003
22 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
268 ft
2 main spans
Daily traffic
28,000
2021 count
Owner
State
State Highway Agency

About this bridge

I785 I840 Nbl over I40 I85 Bus is a prestressed concrete continuous stringer/multi-beam or girder carrying I785 I840 Nbl over I40 I85 Bus in Guilford County, North Carolina. It was built in 2003, so it is 22 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 28,000 vehicles a day, roughly 16% of them trucks, projected to reach 56,000 by 2040. The structure is 268 ft (81.6 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI785 I840 Nbl
CrossesI40 I85 Bus
Location0.4 Mi. S. Jct. I40 I85
RouteInterstate 785
Coordinates36.05953, -79.68606
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 inspectionAugust 2023
Inspection intervalevery 24 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 rating56 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length268 ft (81.6 m)
Longest span89 ft (27.1 m)
Deck width60 ft (18.3 m)
Roadway width57 ft (17.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,000 (2021)
Projected traffic56,000 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 I785 I840 Nbl over I40 I85 Bus built?

It was built in 2003, making it 22 years old in 2025.

What condition is I785 I840 Nbl 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 I840 Nbl over I40 I85 Bus carry?

About 28,000 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is I785 I840 Nbl over I40 I85 Bus?

The structure is 268 ft (81.6 m) long with a longest span of 89 ft (27.1 m) and a deck 60 ft wide.

Who owns I785 I840 Nbl over I40 I85 Bus?

It is owned by the State Highway Agency.