US Bridges

County Route 21 over Lynn Camp Run

Fair

Marshall County, West Virginia · 0.03 Mi. North CR 21/4 · Structure no. 00000000026A074

Built
1997
28 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
250
2022 count
Owner
State
State Highway Agency

About this bridge

County Route 21 over Lynn Camp Run is a prestressed concrete box beam or girders - multiple carrying County Route 21 over Lynn Camp Run in Marshall County, West Virginia. It was built in 1997, so it is 28 years old, younger than the West Virginia average of 44.7 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.

It carries about 250 vehicles a day, roughly 14% of them trucks, projected to reach 305 by 2042. The structure is 74 ft (22.6 m) long and 28 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
CarriesCounty Route 21
CrossesLynn Camp Run
Location0.03 Mi. North CR 21/4
RouteCounty Highway 21
CountyMarshall County
StateWest Virginia
Coordinates39.76513, -80.70524
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.9 US tons
Inventory rating46 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length74 ft (22.6 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic305 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$71,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 21 over Lynn Camp Run built?

It was built in 1997, making it 28 years old in 2025.

What condition is County Route 21 over Lynn Camp 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 May 2024.

How much traffic does County Route 21 over Lynn Camp Run carry?

About 250 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is County Route 21 over Lynn Camp Run?

The structure is 74 ft (22.6 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns County Route 21 over Lynn Camp Run?

It is owned by the State Highway Agency.