US Bridges

County Route 78 over Sixteenmile Creek

Fair

Mason County, West Virginia · 2.15 MI E of CR 78/1 · Structure no. 00000000027A095

Built
1982
43 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
10
2022 count
Owner
State
State Highway Agency

About this bridge

County Route 78 over Sixteenmile Creek is a prestressed concrete box beam or girders - multiple carrying County Route 78 over Sixteenmile Creek in Mason County, West Virginia. It was built in 1982, so it is 43 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 10 vehicles a day, roughly 6% of them trucks, projected to reach 14 by 2042. The structure is 62 ft (19 m) long and 18 ft wide.

Location

Open in Google Maps
CarriesCounty Route 78
CrossesSixteenmile Creek
Location2.15 MI E of CR 78/1
RouteCounty Highway 78
CountyMason County
StateWest Virginia
Coordinates38.68072, -81.97712
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.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length62 ft (19 m)
Longest span58 ft (17.7 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic14 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 78 over Sixteenmile Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is County Route 78 over Sixteenmile 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 November 2023.

How much traffic does County Route 78 over Sixteenmile Creek carry?

About 10 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is County Route 78 over Sixteenmile Creek?

The structure is 62 ft (19 m) long with a longest span of 58 ft (17.7 m) and a deck 18 ft wide.

Who owns County Route 78 over Sixteenmile Creek?

It is owned by the State Highway Agency.