US Bridges

County Route 12/4 over Guyandotte River

Good

Logan County, West Virginia · 0.01 Mile North of Wv 10 · Structure no. 00000000023A366

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
330 ft
1 main span
Daily traffic
30
2022 count
Owner
State
State Highway Agency

About this bridge

County Route 12/4 over Guyandotte River is a steel continuous stringer/multi-beam or girder carrying County Route 12/4 over Guyandotte River in Logan County, West Virginia. It was built in 2015, so it is 10 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 7% of them trucks, projected to reach 32 by 2042. The structure is 330 ft (100.6 m) long and 38 ft wide.

Location

Open in Google Maps
CarriesCounty Route 12/4
CrossesGuyandotte River
Location0.01 Mile North of Wv 10
RouteCounty Highway 124
CountyLogan County
StateWest Virginia
Coordinates37.90348, -81.98897
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length330 ft (100.6 m)
Longest span150 ft (45.7 m)
Deck width38 ft (11.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic32 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3 million (2017 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Route 12/4 over Guyandotte River built?

It was built in 2015, making it 10 years old in 2025.

What condition is County Route 12/4 over Guyandotte River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does County Route 12/4 over Guyandotte River carry?

About 30 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is County Route 12/4 over Guyandotte River?

The structure is 330 ft (100.6 m) long with a longest span of 150 ft (45.7 m) and a deck 38 ft wide.

Who owns County Route 12/4 over Guyandotte River?

It is owned by the State Highway Agency.