US Bridges

I85S Bus;rmp over I73 S Ramp

Good

Guilford County, North Carolina · 0.7 Mi. N. Jct. SR1129 · Structure no. 000000000810796

Built
2003
22 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
261 ft
2 main spans
Daily traffic
3,100
2022 count
Owner
State
State Highway Agency

About this bridge

I85S Bus;rmp over I73 S Ramp is a steel continuous stringer/multi-beam or girder carrying I85S Bus;rmp over I73 S Ramp 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 3,100 vehicles a day, roughly 16% of them trucks, projected to reach 6,200 by 2040. The structure is 261 ft (79.5 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI85S Bus;rmp
CrossesI73 S Ramp
Location0.7 Mi. N. Jct. SR1129
RouteInterstate 85
Coordinates36.00464, -79.85412
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 inspectionNovember 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 rating99 US tons
Inventory rating59 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length261 ft (79.5 m)
Longest span150 ft (45.7 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2022)
Projected traffic6,200 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 I85S Bus;rmp over I73 S Ramp built?

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

What condition is I85S Bus;rmp over I73 S 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 November 2023.

How much traffic does I85S Bus;rmp over I73 S Ramp carry?

About 3,100 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I85S Bus;rmp over I73 S Ramp?

The structure is 261 ft (79.5 m) long with a longest span of 150 ft (45.7 m) and a deck 44 ft wide.

Who owns I85S Bus;rmp over I73 S Ramp?

It is owned by the State Highway Agency.