US Bridges

I85N over I85S

Good

Davidson County, North Carolina · 1.0 Mi. S. Jct. SR2085 · Structure no. 000000000570485

Built
1981
44 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
285 ft
3 main spans
Daily traffic
26,750
2020 count
Owner
State
State Highway Agency

About this bridge

I85N over I85S is a steel stringer/multi-beam or girder carrying I85N over I85S 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 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 26,750 vehicles a day, roughly 16% of them trucks, projected to reach 53,500 by 2040. The structure is 285 ft (86.8 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI85N
CrossesI85S
Location1.0 Mi. S. Jct. SR2085
RouteInterstate 85
Coordinates35.84951, -80.11893
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating91.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length285 ft (86.8 m)
Longest span172 ft (52.4 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,750 (2020)
Projected traffic53,500 by 2040
Trucks16%
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 I85N over I85S built?

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

What condition is I85N over I85S 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 2024.

How much traffic does I85N over I85S carry?

About 26,750 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I85N over I85S?

The structure is 285 ft (86.8 m) long with a longest span of 172 ft (52.4 m) and a deck 59 ft wide.

Who owns I85N over I85S?

It is owned by the State Highway Agency.