US Bridges

County Route 16/39 over Slab Fork

Poor

Wyoming County, West Virginia · 0.18 MI N of Wv 16 · Structure no. 00000000055A195

Built
2002
23 years old
Condition
Poor
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
20
2020 count
Owner
State
State Highway Agency

About this bridge

County Route 16/39 over Slab Fork is a prestressed concrete box beam or girders - multiple carrying County Route 16/39 over Slab Fork in Wyoming County, West Virginia. It was built in 2002, so it is 23 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 20 vehicles a day, roughly 7% of them trucks, projected to reach 21 by 2040. The structure is 86 ft (26.1 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCounty Route 16/39
CrossesSlab Fork
Location0.18 MI N of Wv 16
RouteCounty Highway 1639
CountyWyoming County
StateWest Virginia
Coordinates37.58559, -81.37999
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length86 ft (26.1 m)
Longest span80 ft (24.4 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic21 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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$600,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 16/39 over Slab Fork built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Route 16/39 over Slab Fork in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does County Route 16/39 over Slab Fork carry?

About 20 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is County Route 16/39 over Slab Fork?

The structure is 86 ft (26.1 m) long with a longest span of 80 ft (24.4 m) and a deck 28 ft wide.

Who owns County Route 16/39 over Slab Fork?

It is owned by the State Highway Agency.