US Bridges

Keagy ROAD/685 over Barnhart Creek

Fair

Roanoke County, Virginia · 0.70-RTE1362; 0.74-RTE692 · Structure no. 000000000015072

Built
1950
75 years old, rebuilt 1998
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
3,124
2018 count
Owner
State
State Highway Agency

About this bridge

Keagy ROAD/685 over Barnhart Creek is a steel stringer/multi-beam or girder carrying Keagy ROAD/685 over Barnhart Creek in Roanoke County, Virginia. It was built in 1950 and reconstructed in 1998, so it is 75 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 3,124 vehicles a day, projected to reach 3,250 by 2042. The structure is 26 ft (7.9 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKeagy ROAD/685
CrossesBarnhart Creek
Location0.70-RTE1362; 0.74-RTE692
RouteCounty Highway 685
CountyRoanoke County
StateVirginia
Coordinates37.25508, -80.04608
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating93 US tons
Inventory rating71 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,124 (2018)
Projected traffic3,250 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$139.1 million (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Keagy ROAD/685 over Barnhart Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1998.

What condition is Keagy ROAD/685 over Barnhart Creek 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 July 2024.

How much traffic does Keagy ROAD/685 over Barnhart Creek carry?

About 3,124 vehicles per day (2018 count).

How long is Keagy ROAD/685 over Barnhart Creek?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 25 ft wide.

Who owns Keagy ROAD/685 over Barnhart Creek?

It is owned by the State Highway Agency.