US Bridges

NC109 over I85BUS.LP US29 US70

Good

Davidson County, North Carolina · 0.3 Mi. N. Jct. SR2051 · Structure no. 000000000570109

Built
2003
22 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
177 ft
2 main spans
Daily traffic
6,250
2021 count
Owner
State
State Highway Agency

About this bridge

NC109 over I85BUS.LP US29 US70 is a prestressed concrete continuous stringer/multi-beam or girder carrying NC109 over I85BUS.LP US29 US70 in Davidson County, North Carolina. It was built in 2003, so it is 22 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 6,250 vehicles a day, roughly 12% of them trucks, projected to reach 12,500 by 2040. The structure is 177 ft (53.9 m) long and 102 ft wide.

Location

Open in Google Maps
CarriesNC109
CrossesI85BUS.LP US29 US70
Location0.3 Mi. N. Jct. SR2051
RouteState Highway 109
CountyDavidson County
StateNorth Carolina
Coordinates35.90159, -80.09267
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 inspectionJune 2023
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 rating91.9 US tons
Inventory rating52.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length177 ft (53.9 m)
Longest span87 ft (26.5 m)
Deck width102 ft (31.1 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,250 (2021)
Projected traffic12,500 by 2040
Trucks12%
Lanes on structure7
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 NC109 over I85BUS.LP US29 US70 built?

It was built in 2003, making it 22 years old in 2025.

What condition is NC109 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 June 2023.

How much traffic does NC109 over I85BUS.LP US29 US70 carry?

About 6,250 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is NC109 over I85BUS.LP US29 US70?

The structure is 177 ft (53.9 m) long with a longest span of 87 ft (26.5 m) and a deck 102 ft wide.

Who owns NC109 over I85BUS.LP US29 US70?

It is owned by the State Highway Agency.