US Bridges

US64 Ramp over I85BUS.LP US29 US70

Good

Davidson County, North Carolina · 1.1 Mi. W. Jct. NC8 · Structure no. 000000000570039

Built
2014
11 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
191 ft
2 main spans
Daily traffic
6,750
2022 count
Owner
State
State Highway Agency

About this bridge

US64 Ramp over I85BUS.LP US29 US70 is a prestressed concrete continuous stringer/multi-beam or girder carrying US64 Ramp over I85BUS.LP US29 US70 in Davidson County, North Carolina. It was built in 2014, so it is 11 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 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 6,750 vehicles a day, roughly 12% of them trucks, projected to reach 13,500 by 2040. The structure is 191 ft (58.2 m) long and 47 ft wide.

Location

Open in Google Maps
CarriesUS64 Ramp
CrossesI85BUS.LP US29 US70
Location1.1 Mi. W. Jct. NC8
RouteU.S. Route 64
CountyDavidson County
StateNorth Carolina
Coordinates35.83161, -80.27011
Functional classUrban Other Principal Arterial

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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating56 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length191 ft (58.2 m)
Longest span104 ft (31.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,750 (2022)
Projected traffic13,500 by 2040
Trucks12%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 US64 Ramp over I85BUS.LP US29 US70 built?

It was built in 2014, making it 11 years old in 2025.

What condition is US64 Ramp over I85BUS.LP US29 US70 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 US64 Ramp over I85BUS.LP US29 US70 carry?

About 6,750 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US64 Ramp over I85BUS.LP US29 US70?

The structure is 191 ft (58.2 m) long with a longest span of 104 ft (31.6 m) and a deck 47 ft wide.

Who owns US64 Ramp over I85BUS.LP US29 US70?

It is owned by the State Highway Agency.