US Bridges

Back Run RD over Elk Creek

Good

Rockbridge County, Virginia · 0.70 to 790 & 0.10 to 759 · Structure no. 000000000015712

Built
1932
93 years old, rebuilt 1998
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
50 ft
2 main spans
Daily traffic
236
2019 count
Owner
State
State Highway Agency

About this bridge

Back Run RD over Elk Creek is a prestressed concrete slab carrying Back Run RD over Elk Creek in Rockbridge County, Virginia. It was built in 1932 and reconstructed in 1998, so it is 93 years old, older 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 236 vehicles a day, projected to reach 267 by 2045. The structure is 50 ft (15.2 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBack Run RD
CrossesElk Creek
Location0.70 to 790 & 0.10 to 759
RouteCounty Highway 781
Coordinates37.59207, -79.51024
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79 US tons
Inventory rating61 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20 + Mod
Structure length50 ft (15.2 m)
Longest span23 ft (6.9 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic236 (2019)
Projected traffic267 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Back Run RD over Elk Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1998.

What condition is Back Run RD over Elk Creek 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 March 2023.

How much traffic does Back Run RD over Elk Creek carry?

About 236 vehicles per day (2019 count).

How long is Back Run RD over Elk Creek?

The structure is 50 ft (15.2 m) long with a longest span of 23 ft (6.9 m) and a deck 24 ft wide.

Who owns Back Run RD over Elk Creek?

It is owned by the State Highway Agency.