US Bridges

SR1712 over I85

Fair

Orange County, North Carolina · 0.2 Mi. N. Jct. SR1817 · Structure no. 000000001350096

Built
1957
68 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
248 ft
4 main spans
Daily traffic
1,400
2017 count
Owner
State
State Highway Agency

About this bridge

SR1712 over I85 is a steel stringer/multi-beam or girder carrying SR1712 over I85 in Orange County, North Carolina. It was built in 1957, so it is 68 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 5 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 1,400 vehicles a day, roughly 7% of them trucks, projected to reach 2,800 by 2040. The structure is 248 ft (75.5 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR1712
CrossesI85
Location0.2 Mi. N. Jct. SR1817
RouteState Highway 1712
CountyOrange County
StateNorth Carolina
Coordinates36.04117, -79.03076
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length248 ft (75.5 m)
Longest span64 ft (19.5 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2017)
Projected traffic2,800 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1712 over I85 built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR1712 over I85 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 December 2023.

How much traffic does SR1712 over I85 carry?

About 1,400 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is SR1712 over I85?

The structure is 248 ft (75.5 m) long with a longest span of 64 ft (19.5 m) and a deck 33 ft wide.

Who owns SR1712 over I85?

It is owned by the State Highway Agency.