US Bridges

RTE 712 over RTE I-81

Good

Rockbridge County, Virginia · 1.25 to 717 & 0.02 to 715 · Structure no. 000000000027484

Built
2011
14 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
306 ft
2 main spans
Daily traffic
363
2022 count
Owner
State
State Highway Agency

About this bridge

RTE 712 over RTE I-81 is a steel continuous stringer/multi-beam or girder carrying RTE 712 over RTE I-81 in Rockbridge County, Virginia. It was built in 2011, so it is 14 years old, younger than the Virginia average of 50.7 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 363 vehicles a day, roughly 1% of them trucks, projected to reach 405 by 2045. The structure is 306 ft (93.3 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRTE 712
CrossesRTE I-81
Location1.25 to 717 & 0.02 to 715
RouteCounty Highway 712
Coordinates37.87219, -79.31679
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating83.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length306 ft (93.3 m)
Longest span152 ft (46.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic363 (2022)
Projected traffic405 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 RTE 712 over RTE I-81 built?

It was built in 2011, making it 14 years old in 2025.

What condition is RTE 712 over RTE I-81 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 April 2023.

How much traffic does RTE 712 over RTE I-81 carry?

About 363 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is RTE 712 over RTE I-81?

The structure is 306 ft (93.3 m) long with a longest span of 152 ft (46.4 m) and a deck 31 ft wide.

Who owns RTE 712 over RTE I-81?

It is owned by the State Highway Agency.