US Bridges

Hardbarger RD 636 over 81

Fair

Botetourt County, Virginia · 1.20 Rt 640; 0.20 Rt 11 · Structure no. 000000000003426

Built
1963
62 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
207 ft
4 main spans
Daily traffic
551
2016 count
Owner
State
State Highway Agency

About this bridge

Hardbarger RD 636 over 81 is a steel stringer/multi-beam or girder carrying Hardbarger RD 636 over 81 in Botetourt County, Virginia. It was built in 1963, so it is 62 years old, older 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 551 vehicles a day, projected to reach 574 by 2045. The structure is 207 ft (63.2 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesHardbarger RD 636
Crosses81
Location1.20 Rt 640; 0.20 Rt 11
RouteCounty Highway 636
CountyBotetourt County
StateVirginia
Coordinates37.49593, -79.75609
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length207 ft (63.2 m)
Longest span68 ft (20.6 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic551 (2016)
Projected traffic574 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hardbarger RD 636 over 81 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Hardbarger RD 636 over 81 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 February 2025.

How much traffic does Hardbarger RD 636 over 81 carry?

About 551 vehicles per day (2016 count).

How long is Hardbarger RD 636 over 81?

The structure is 207 ft (63.2 m) long with a longest span of 68 ft (20.6 m) and a deck 29 ft wide.

Who owns Hardbarger RD 636 over 81?

It is owned by the State Highway Agency.