US Bridges

I-85N over US64

Fair

Davidson County, North Carolina · 0.7 Mi. S. Jct. SR2010 · Structure no. 000000000570181

Built
1978
47 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
246 ft
2 main spans
Daily traffic
27,250
2022 count
Owner
State
State Highway Agency

About this bridge

I-85N over US64 is a steel continuous stringer/multi-beam or girder carrying I-85N over US64 in Davidson County, North Carolina. It was built in 1978, so it is 47 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 27,250 vehicles a day, roughly 23% of them trucks, projected to reach 55,500 by 2040. The structure is 246 ft (74.9 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-85N
CrossesUS64
Location0.7 Mi. S. Jct. SR2010
RouteInterstate 85
Coordinates35.80949, -80.18213
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 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 rating85 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length246 ft (74.9 m)
Longest span124 ft (37.7 m)
Deck width58 ft (17.6 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,250 (2022)
Projected traffic55,500 by 2040
Trucks23%
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 I-85N over US64 built?

It was built in 1978, making it 47 years old in 2025.

What condition is I-85N over US64 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 March 2024.

How much traffic does I-85N over US64 carry?

About 27,250 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is I-85N over US64?

The structure is 246 ft (74.9 m) long with a longest span of 124 ft (37.7 m) and a deck 58 ft wide.

Who owns I-85N over US64?

It is owned by the State Highway Agency.