US Bridges

Route 661 over Mud Fork Creek

FairPosted for load

Tazewell County, Virginia · .02FRRT643;.85 End Main · Structure no. 000000000018635

Built
1956
69 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
52
2015 count
Owner
State
State Highway Agency

About this bridge

Route 661 over Mud Fork Creek is a steel stringer/multi-beam or girder carrying Route 661 over Mud Fork Creek in Tazewell County, Virginia. It was built in 1956, so it is 69 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 52 vehicles a day, projected to reach 78 by 2042. The structure is 31 ft (9.4 m) long and 12 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
CarriesRoute 661
CrossesMud Fork Creek
Location.02FRRT643;.85 End Main
RouteCounty Highway 661
CountyTazewell County
StateVirginia
Coordinates37.26088, -81.33855
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating27 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2015)
Projected traffic78 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$112.5 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 661 over Mud Fork Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Route 661 over Mud Fork 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 Route 661 over Mud Fork Creek carry?

About 52 vehicles per day (2015 count).

How long is Route 661 over Mud Fork Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 12 ft wide.

Who owns Route 661 over Mud Fork Creek?

It is owned by the State Highway Agency.