US Bridges

Cr. 21 over Tygart Rv. Diversion Dam

Fair

Randolph County, West Virginia · 0.13 Mi. W. JCT Cr. 21/5 · Structure no. 00000000042A038

Built
1947
78 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
206 ft
2 main spans
Daily traffic
800
2022 count
Owner
State
State Highway Agency

About this bridge

Cr. 21 over Tygart Rv. Diversion Dam is a steel continuous stringer/multi-beam or girder carrying Cr. 21 over Tygart Rv. Diversion Dam in Randolph County, West Virginia. It was built in 1947, so it is 78 years old, older 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 800 vehicles a day, roughly 5% of them trucks, projected to reach 1,463 by 2042. The structure is 206 ft (62.8 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesCr. 21
CrossesTygart Rv. Diversion Dam
Location0.13 Mi. W. JCT Cr. 21/5
RouteCounty Highway 2100
CountyRandolph County
StateWest Virginia
Coordinates38.91909, -79.87596
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length206 ft (62.8 m)
Longest span101 ft (30.8 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2022)
Projected traffic1,463 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$925,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cr. 21 over Tygart Rv. Diversion Dam built?

It was built in 1947, making it 78 years old in 2025.

What condition is Cr. 21 over Tygart Rv. Diversion Dam 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 Cr. 21 over Tygart Rv. Diversion Dam carry?

About 800 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Cr. 21 over Tygart Rv. Diversion Dam?

The structure is 206 ft (62.8 m) long with a longest span of 101 ft (30.8 m) and a deck 28 ft wide.

Who owns Cr. 21 over Tygart Rv. Diversion Dam?

It is owned by the State Highway Agency.