US Bridges

SR1792 over US29/70 I85 Bus. Loop

Good

Davidson County, North Carolina · 0.1 Mi. W. Jct. SR2048 · Structure no. 000000000570158

Built
2012
13 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
177 ft
2 main spans
Daily traffic
1,800
2021 count
Owner
State
State Highway Agency

About this bridge

SR1792 over US29/70 I85 Bus. Loop is a prestressed concrete continuous stringer/multi-beam or girder carrying SR1792 over US29/70 I85 Bus. Loop in Davidson County, North Carolina. It was built in 2012, so it is 13 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 1,800 vehicles a day, roughly 7% of them trucks, projected to reach 3,600 by 2040. The structure is 177 ft (53.9 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1792
CrossesUS29/70 I85 Bus. Loop
Location0.1 Mi. W. Jct. SR2048
RouteState Highway 1792
Coordinates35.89439, -80.10434
Functional classUrban Collector

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 rating61.9 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHL 93
Structure length177 ft (53.9 m)
Longest span86 ft (26.2 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2021)
Projected traffic3,600 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 SR1792 over US29/70 I85 Bus. Loop built?

It was built in 2012, making it 13 years old in 2025.

What condition is SR1792 over US29/70 I85 Bus. Loop 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 SR1792 over US29/70 I85 Bus. Loop carry?

About 1,800 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR1792 over US29/70 I85 Bus. Loop?

The structure is 177 ft (53.9 m) long with a longest span of 86 ft (26.2 m) and a deck 34 ft wide.

Who owns SR1792 over US29/70 I85 Bus. Loop?

It is owned by the State Highway Agency.