US Bridges

County Route 6 over Seaman Run

Fair

Mason County, West Virginia · 0.21 MI W of Wv 62 · Structure no. 00000000027A122

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
200
2022 count
Owner
State
State Highway Agency

About this bridge

County Route 6 over Seaman Run is a prestressed concrete slab carrying County Route 6 over Seaman Run in Mason County, West Virginia. It was built in 1987, so it is 38 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 276 by 2042. The structure is 28 ft (8.4 m) long and 20 ft wide.

CarriesCounty Route 6
CrossesSeaman Run
Location0.21 MI W of Wv 62
RouteCounty Highway 600
Coordinates38.9816, -81.9596
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span26 ft (7.9 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic276 by 2042
Trucks6%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 6 over Seaman Run built?

It was built in 1987, making it 38 years old in 2025.

What condition is County Route 6 over Seaman 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 October 2024.

How much traffic does County Route 6 over Seaman Run carry?

About 200 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is County Route 6 over Seaman Run?

The structure is 28 ft (8.4 m) long with a longest span of 26 ft (7.9 m) and a deck 20 ft wide.

Who owns County Route 6 over Seaman Run?

It is owned by the State Highway Agency.