US Bridges

I85SBUS US29 US70S over SR1798

GoodClosed to traffic

Davidson County, North Carolina · 0.92 MI N JCT SR1844 · Structure no. 000000000570575

Built
2024
1 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
222 ft
2 main spans
Daily traffic
7,500
2022 count
Owner
State
State Highway Agency

About this bridge

I85SBUS US29 US70S over SR1798 is a prestressed concrete continuous stringer/multi-beam or girder carrying I85SBUS US29 US70S over SR1798 in Davidson County, North Carolina. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: closed to all traffic.

It carries about 7,500 vehicles a day, roughly 14% of them trucks, projected to reach 15,000 by 2040. The structure is 222 ft (67.6 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI85SBUS US29 US70S
CrossesSR1798
Location0.92 MI N JCT SR1844
RouteInterstate 85
Coordinates35.86223, -80.1839
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.9 US tons
Inventory rating51.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length222 ft (67.6 m)
Longest span108 ft (32.9 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2022)
Projected traffic15,000 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed0.6 mi (1 km)
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 I85SBUS US29 US70S over SR1798 built?

It was built in 2024, making it 1 years old in 2025.

What condition is I85SBUS US29 US70S over SR1798 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 August 2024.

How much traffic does I85SBUS US29 US70S over SR1798 carry?

About 7,500 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is I85SBUS US29 US70S over SR1798?

The structure is 222 ft (67.6 m) long with a longest span of 108 ft (32.9 m) and a deck 44 ft wide.

Who owns I85SBUS US29 US70S over SR1798?

It is owned by the State Highway Agency.