US Bridges

I85S over I85N

Fair

Davidson County, North Carolina · 1.0 Mi. N. Jct. SR2010 · Structure no. 000000000570474

Built
1981
44 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
319 ft
3 main spans
Daily traffic
25,250
2020 count
Owner
State
State Highway Agency

About this bridge

I85S over I85N is a steel stringer/multi-beam or girder carrying I85S over I85N in Davidson County, North Carolina. It was built in 1981, so it is 44 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 25,250 vehicles a day, roughly 23% of them trucks, projected to reach 50,500 by 2040. The structure is 319 ft (97.2 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI85S
CrossesI85N
Location1.0 Mi. N. Jct. SR2010
RouteInterstate 85
Coordinates35.82783, -80.16121
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.9 US tons
Inventory rating56 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length319 ft (97.2 m)
Longest span175 ft (53.3 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,250 (2020)
Projected traffic50,500 by 2040
Trucks23%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
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 over I85N built?

It was built in 1981, making it 44 years old in 2025.

What condition is I85S over I85N in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does I85S over I85N carry?

About 25,250 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is I85S over I85N?

The structure is 319 ft (97.2 m) long with a longest span of 175 ft (53.3 m) and a deck 59 ft wide.

Who owns I85S over I85N?

It is owned by the State Highway Agency.