US Bridges

NC8 over I85

Fair

Davidson County, North Carolina · 0.2 Mi. N. Jct. SR1265 · Structure no. 000000000570092

Built
1980
45 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
273 ft
2 main spans
Daily traffic
22,000
2021 count
Owner
State
State Highway Agency

About this bridge

NC8 over I85 is a steel continuous stringer/multi-beam or girder carrying NC8 over I85 in Davidson County, North Carolina. It was built in 1980, so it is 45 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 5 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 22,000 vehicles a day, roughly 6% of them trucks, projected to reach 44,000 by 2040. The structure is 273 ft (83.2 m) long and 83 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesNC8
CrossesI85
Location0.2 Mi. N. Jct. SR1265
RouteState Highway 8
CountyDavidson County
StateNorth Carolina
Coordinates35.78031, -80.25997
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating62.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length273 ft (83.2 m)
Longest span137 ft (41.7 m)
Deck width83 ft (25.3 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2021)
Projected traffic44,000 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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 NC8 over I85 built?

It was built in 1980, making it 45 years old in 2025.

What condition is NC8 over I85 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 2023.

How much traffic does NC8 over I85 carry?

About 22,000 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is NC8 over I85?

The structure is 273 ft (83.2 m) long with a longest span of 137 ft (41.7 m) and a deck 83 ft wide.

Who owns NC8 over I85?

It is owned by the State Highway Agency.