US Bridges

Wv. 39 & Wv. 92 over Knapp Creek

Fair

Pocahontas County, West Virginia · 0.08 Mi. E. Jct. Wv 92 · Structure no. 00000000038A057

Built
1952
73 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
216 ft
3 main spans
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

Wv. 39 & Wv. 92 over Knapp Creek is a steel continuous stringer/multi-beam or girder carrying Wv. 39 & Wv. 92 over Knapp Creek in Pocahontas County, West Virginia. It was built in 1952, so it is 73 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 1,100 vehicles a day, roughly 11% of them trucks, projected to reach 1,427 by 2042. The structure is 216 ft (65.8 m) long and 34 ft wide.

Location

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CarriesWv. 39 & Wv. 92
CrossesKnapp Creek
Location0.08 Mi. E. Jct. Wv 92
RouteState Highway 3900
CountyPocahontas County
StateWest Virginia
Coordinates38.16429, -79.98191
Functional classRural Minor Arterial

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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length216 ft (65.8 m)
Longest span80 ft (24.4 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,427 by 2042
Trucks11%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Wv. 39 & Wv. 92 over Knapp Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Wv. 39 & Wv. 92 over Knapp 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 June 2023.

How much traffic does Wv. 39 & Wv. 92 over Knapp Creek carry?

About 1,100 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Wv. 39 & Wv. 92 over Knapp Creek?

The structure is 216 ft (65.8 m) long with a longest span of 80 ft (24.4 m) and a deck 34 ft wide.

Who owns Wv. 39 & Wv. 92 over Knapp Creek?

It is owned by the State Highway Agency.