US Bridges

I-85BUS US29 US70 over Hunts Fork

Fair

Davidson County, North Carolina · 0.4 Mi. N. Jct. NC109 · Structure no. 000000000570160

Built
1951
74 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
23,500
2021 count
Owner
State
State Highway Agency

About this bridge

I-85BUS US29 US70 over Hunts Fork is a concrete continuous culvert carrying I-85BUS US29 US70 over Hunts Fork in Davidson County, North Carolina. It was built in 1951, so it is 74 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 23,500 vehicles a day, roughly 12% of them trucks, projected to reach 47,000 by 2040. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-85BUS US29 US70
CrossesHunts Fork
Location0.4 Mi. N. Jct. NC109
RouteInterstate 85
CountyDavidson County
StateNorth Carolina
Coordinates35.90328, -80.08887
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating34.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,500 (2021)
Projected traffic47,000 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-85BUS US29 US70 over Hunts Fork built?

It was built in 1951, making it 74 years old in 2025.

What condition is I-85BUS US29 US70 over Hunts Fork 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 2023.

How much traffic does I-85BUS US29 US70 over Hunts Fork carry?

About 23,500 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is I-85BUS US29 US70 over Hunts Fork?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns I-85BUS US29 US70 over Hunts Fork?

It is owned by the State Highway Agency.