US Bridges

I85 over SR1312

Fair

Gaston County, North Carolina · 0.4 Mi. N. Jct. SR1307 · Structure no. 000000000710103

Built
2001
24 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
3 main spans
Daily traffic
76,500
2020 count
Owner
State
State Highway Agency

About this bridge

I85 over SR1312 is a steel continuous stringer/multi-beam or girder carrying I85 over SR1312 in Gaston County, North Carolina. It was built in 2001, so it is 24 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 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 76,500 vehicles a day, roughly 16% of them trucks, projected to reach 153,000 by 2040. The structure is 140 ft (42.6 m) long and 113 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI85
CrossesSR1312
Location0.4 Mi. N. Jct. SR1307
RouteInterstate 85
CountyGaston County
StateNorth Carolina
Coordinates35.26844, -81.25131
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length140 ft (42.6 m)
Longest span50 ft (15.2 m)
Deck width113 ft (34.5 m)
Roadway width108 ft (32.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76,500 (2020)
Projected traffic153,000 by 2040
Trucks16%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 over SR1312 built?

It was built in 2001, making it 24 years old in 2025.

What condition is I85 over SR1312 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 July 2024.

How much traffic does I85 over SR1312 carry?

About 76,500 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I85 over SR1312?

The structure is 140 ft (42.6 m) long with a longest span of 50 ft (15.2 m) and a deck 113 ft wide.

Who owns I85 over SR1312?

It is owned by the State Highway Agency.