US Bridges

US 817 over Threemile Creek

Fair

Mason County, West Virginia · 0.03 MI N of CR 34 · Structure no. 00000000027A061

Built
1957
68 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
400
2020 count
Owner
State
State Highway Agency

About this bridge

US 817 over Threemile Creek is a concrete continuous culvert carrying US 817 over Threemile Creek in Mason County, West Virginia. It was built in 1957, so it is 68 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 6 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 400 vehicles a day, roughly 7% of them trucks, projected to reach 420 by 2040. The structure is 25 ft (7.6 m) long.

Location

Open in Google Maps
CarriesUS 817
CrossesThreemile Creek
Location0.03 MI N of CR 34
RouteState Highway 817
CountyMason County
StateWest Virginia
Coordinates38.80806, -82.09664
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2020)
Projected traffic420 by 2040
Trucks7%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$200,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 817 over Threemile Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is US 817 over Threemile 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 July 2023.

How much traffic does US 817 over Threemile Creek carry?

About 400 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is US 817 over Threemile Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns US 817 over Threemile Creek?

It is owned by the State Highway Agency.