US Bridges

DRYHOLLOWRD/649 over Dry Hollow Branch

Fair

Roanoke County, Virginia · 0.75-RT639; 1.35-END Main · Structure no. 000000000015054

Built
1981
44 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
293
2018 count
Owner
State
State Highway Agency

About this bridge

DRYHOLLOWRD/649 over Dry Hollow Branch is a steel stringer/multi-beam or girder carrying DRYHOLLOWRD/649 over Dry Hollow Branch in Roanoke County, Virginia. It was built in 1981, so it is 44 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 293 vehicles a day, projected to reach 315 by 2045. The structure is 35 ft (10.7 m) long and 20 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesDRYHOLLOWRD/649
CrossesDry Hollow Branch
Location0.75-RT639; 1.35-END Main
RouteCounty Highway 649
CountyRoanoke County
StateVirginia
Coordinates37.23553, -80.1664
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating88 US tons
Inventory rating68 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic293 (2018)
Projected traffic315 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$13 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was DRYHOLLOWRD/649 over Dry Hollow Branch built?

It was built in 1981, making it 44 years old in 2025.

What condition is DRYHOLLOWRD/649 over Dry Hollow Branch 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 March 2023.

How much traffic does DRYHOLLOWRD/649 over Dry Hollow Branch carry?

About 293 vehicles per day (2018 count).

How long is DRYHOLLOWRD/649 over Dry Hollow Branch?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 20 ft wide.

Who owns DRYHOLLOWRD/649 over Dry Hollow Branch?

It is owned by the State Highway Agency.