US Bridges

I85N.BUS US29&70 over NC68

Fair

Davidson County, North Carolina · 0.7 MI.N.JCT.SR1774 · Structure no. 000000000570161

Built
1999
26 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
203 ft
3 main spans
Daily traffic
11,000
2018 count
Owner
State
State Highway Agency

About this bridge

I85N.BUS US29&70 over NC68 is a steel stringer/multi-beam or girder carrying I85N.BUS US29&70 over NC68 in Davidson County, North Carolina. It was built in 1999, so it is 26 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 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 11,000 vehicles a day, roughly 12% of them trucks, projected to reach 22,000 by 2040. The structure is 203 ft (61.8 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI85N.BUS US29&70
CrossesNC68
Location0.7 MI.N.JCT.SR1774
RouteInterstate 85
CountyDavidson County
StateNorth Carolina
Coordinates35.90935, -80.06182
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length203 ft (61.8 m)
Longest span107 ft (32.6 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2018)
Projected traffic22,000 by 2040
Trucks12%
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 I85N.BUS US29&70 over NC68 built?

It was built in 1999, making it 26 years old in 2025.

What condition is I85N.BUS US29&70 over NC68 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 June 2023.

How much traffic does I85N.BUS US29&70 over NC68 carry?

About 11,000 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is I85N.BUS US29&70 over NC68?

The structure is 203 ft (61.8 m) long with a longest span of 107 ft (32.6 m) and a deck 41 ft wide.

Who owns I85N.BUS US29&70 over NC68?

It is owned by the State Highway Agency.