US Bridges

Gilmersmill RD 608 over Roaring Run

Fair

Botetourt County, Virginia · 0.10 Rt 622; 1.10 Rt 609 · Structure no. 000000000003341

Built
1932
93 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
50
2016 count
Owner
State
State Highway Agency

About this bridge

Gilmersmill RD 608 over Roaring Run is a steel stringer/multi-beam or girder carrying Gilmersmill RD 608 over Roaring Run in Botetourt County, Virginia. It was built in 1932, 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 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 50 vehicles a day, projected to reach 57 by 2045. The structure is 42 ft (12.8 m) long and 20 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesGilmersmill RD 608
CrossesRoaring Run
Location0.10 Rt 622; 1.10 Rt 609
RouteCounty Highway 608
CountyBotetourt County
StateVirginia
Coordinates37.57948, -79.61121
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating86 US tons
Inventory rating66 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length42 ft (12.8 m)
Longest span37 ft (11.2 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2016)
Projected traffic57 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$197.4 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gilmersmill RD 608 over Roaring Run built?

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

What condition is Gilmersmill RD 608 over Roaring 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 October 2023.

How much traffic does Gilmersmill RD 608 over Roaring Run carry?

About 50 vehicles per day (2016 count).

How long is Gilmersmill RD 608 over Roaring Run?

The structure is 42 ft (12.8 m) long with a longest span of 37 ft (11.2 m) and a deck 20 ft wide.

Who owns Gilmersmill RD 608 over Roaring Run?

It is owned by the State Highway Agency.