US Bridges

Monroe Road over M Fork Holston River

Fair

Washington County, Virginia · 10.04MFRRT58;2.22MTORT11 · Structure no. 000000000018970

Built
1959
66 years old, rebuilt 2011
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
294 ft
4 main spans
Daily traffic
2,650
2022 count
Owner
State
State Highway Agency

About this bridge

Monroe Road over M Fork Holston River is a steel stringer/multi-beam or girder carrying Monroe Road over M Fork Holston River in Washington County, Virginia. It was built in 1959 and reconstructed in 2011, so it is 66 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 2,650 vehicles a day, projected to reach 2,955 by 2045. The structure is 294 ft (89.6 m) long and 28 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

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CarriesMonroe Road
CrossesM Fork Holston River
Location10.04MFRRT58;2.22MTORT11
RouteState Highway 91
CountyWashington County
StateVirginia
Coordinates36.73936, -81.78171
Functional classRural Major Collector

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length294 ft (89.6 m)
Longest span74 ft (22.6 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2022)
Projected traffic2,955 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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$108.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Monroe Road over M Fork Holston River built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2011.

What condition is Monroe Road over M Fork Holston River 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 August 2023.

How much traffic does Monroe Road over M Fork Holston River carry?

About 2,650 vehicles per day (2022 count).

How long is Monroe Road over M Fork Holston River?

The structure is 294 ft (89.6 m) long with a longest span of 74 ft (22.6 m) and a deck 28 ft wide.

Who owns Monroe Road over M Fork Holston River?

It is owned by the State Highway Agency.