US Bridges

Wv Route 310 over Mon. River RR City Sts

Fair

Marion County, West Virginia · 0.22 MI North CO Rt 19/73 · Structure no. 00000000025A189

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
1,104 ft
2 main spans
Daily traffic
15,200
2019 count
Owner
State
State Highway Agency

About this bridge

Wv Route 310 over Mon. River RR City Sts is a steel continuous girder and floorbeam system carrying Wv Route 310 over Mon. River RR City Sts in Marion County, West Virginia. It was built in 1979, so it is 46 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 15,200 vehicles a day, roughly 6% of them trucks, projected to reach 15,960 by 2041. The structure is 1,104 ft (336.5 m) long and 56 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesWv Route 310
CrossesMon. River RR City Sts
Location0.22 MI North CO Rt 19/73
RouteState Highway 31000
CountyMarion County
StateWest Virginia
Coordinates39.47911, -80.14407
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+4 approach)
Design loadHS 20
Structure length1,104 ft (336.5 m)
Longest span320 ft (97.4 m)
Deck width56 ft (17.2 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,200 (2019)
Projected traffic15,960 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed6.2 mi (10 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$1.3 million (2022 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Wv Route 310 over Mon. River RR City Sts built?

It was built in 1979, making it 46 years old in 2025.

What condition is Wv Route 310 over Mon. River RR City Sts 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 August 2024.

How much traffic does Wv Route 310 over Mon. River RR City Sts carry?

About 15,200 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Wv Route 310 over Mon. River RR City Sts?

The structure is 1,104 ft (336.5 m) long with a longest span of 320 ft (97.4 m) and a deck 56 ft wide.

Who owns Wv Route 310 over Mon. River RR City Sts?

It is owned by the State Highway Agency.