US Bridges

I85 Sbl over Duke Power RR

Good

Rowan County, North Carolina · 1.0 Mi. N. Jct. SR2120 · Structure no. 000000001590136

Built
2013
12 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
144 ft
1 main span
Daily traffic
36,250
2020 count
Owner
State
State Highway Agency

About this bridge

I85 Sbl over Duke Power RR is a prestressed concrete stringer/multi-beam or girder carrying I85 Sbl over Duke Power RR in Rowan County, North Carolina. It was built in 2013, so it is 12 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 36,250 vehicles a day, roughly 16% of them trucks, projected to reach 72,500 by 2040. The structure is 144 ft (43.8 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI85 Sbl
CrossesDuke Power RR
Location1.0 Mi. N. Jct. SR2120
RouteInterstate 85
Coordinates35.70909, -80.39623
Functional classUrban Principal Arterial - Interstate

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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating60 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length144 ft (43.8 m)
Longest span139 ft (42.3 m)
Deck width76 ft (23.1 m)
Roadway width73 ft (22.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,250 (2020)
Projected traffic72,500 by 2040
Trucks16%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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 I85 Sbl over Duke Power RR built?

It was built in 2013, making it 12 years old in 2025.

What condition is I85 Sbl over Duke Power RR 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 2023.

How much traffic does I85 Sbl over Duke Power RR carry?

About 36,250 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I85 Sbl over Duke Power RR?

The structure is 144 ft (43.8 m) long with a longest span of 139 ft (42.3 m) and a deck 76 ft wide.

Who owns I85 Sbl over Duke Power RR?

It is owned by the State Highway Agency.