US Bridges

SR1297 over I285 I85BUS.LOOP US29 70

Fair

Davidson County, North Carolina · 0.1 MI.W.JCT.SR1228 · Structure no. 000000000570037

Built
1961
64 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
190 ft
4 main spans
Daily traffic
750
2017 count
Owner
State
State Highway Agency

About this bridge

SR1297 over I285 I85BUS.LOOP US29 70 is a prestressed concrete stringer/multi-beam or girder carrying SR1297 over I285 I85BUS.LOOP US29 70 in Davidson County, North Carolina. It was built in 1961, so it is 64 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 750 vehicles a day, roughly 7% of them trucks, projected to reach 1,500 by 2040. The structure is 190 ft (57.9 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1297
CrossesI285 I85BUS.LOOP US29 70
Location0.1 MI.W.JCT.SR1228
RouteState Highway 1297
Coordinates35.78756, -80.30512
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating99 US tons
Inventory rating63.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length190 ft (57.9 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2017)
Projected traffic1,500 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 SR1297 over I285 I85BUS.LOOP US29 70 built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR1297 over I285 I85BUS.LOOP US29 70 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does SR1297 over I285 I85BUS.LOOP US29 70 carry?

About 750 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is SR1297 over I285 I85BUS.LOOP US29 70?

The structure is 190 ft (57.9 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns SR1297 over I285 I85BUS.LOOP US29 70?

It is owned by the State Highway Agency.