US Bridges

Wallace Gap Lane over Garth Run

Fair

Madison County, Virginia · .08 from 665 &.12 to End · Structure no. 000000000024844

Built
1997
28 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
247
2020 count
Owner
State
State Highway Agency

About this bridge

Wallace Gap Lane over Garth Run is a concrete slab carrying Wallace Gap Lane over Garth Run in Madison County, Virginia. It was built in 1997, so it is 28 years old, younger than the Virginia average of 50.7 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 247 vehicles a day, projected to reach 300 by 2045. The structure is 33 ft (10.1 m) long and 19 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWallace Gap Lane
CrossesGarth Run
Location.08 from 665 &.12 to End
RouteCounty Highway 718
Coordinates38.37526, -78.37931
Functional classRural 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.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating75 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic247 (2020)
Projected traffic300 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$265 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Wallace Gap Lane over Garth Run built?

It was built in 1997, making it 28 years old in 2025.

What condition is Wallace Gap Lane over Garth Run 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 April 2023.

How much traffic does Wallace Gap Lane over Garth Run carry?

About 247 vehicles per day (2020 count).

How long is Wallace Gap Lane over Garth Run?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 19 ft wide.

Who owns Wallace Gap Lane over Garth Run?

It is owned by the State Highway Agency.