US Bridges

I-77 SB over CR 19 & Allen Fork

Fair

Kanawha County, West Virginia · 1.28 MI N of CR 21/17 · Structure no. 00000000020A453

Built
1959
66 years old, rebuilt 1999
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
265 ft
1 main span
Daily traffic
8,300
2020 count
Owner
State
State Highway Agency

About this bridge

I-77 SB over CR 19 & Allen Fork is a steel continuous stringer/multi-beam or girder carrying I-77 SB over CR 19 & Allen Fork in Kanawha County, West Virginia. It was built in 1959 and reconstructed in 1999, so it is 66 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 8,300 vehicles a day, roughly 17% of them trucks, projected to reach 12,948 by 2040. The structure is 265 ft (80.7 m) long and 35 ft wide.

Location

Open in Google Maps
CarriesI-77 SB
CrossesCR 19 & Allen Fork
Location1.28 MI N of CR 21/17
RouteInterstate 77
CountyKanawha County
StateWest Virginia
Coordinates38.56214, -81.63649
Functional classRural Principal Arterial - Interstate

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.
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadHS 25 or greater
Structure length265 ft (80.7 m)
Longest span86 ft (26.2 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2020)
Projected traffic12,948 by 2040
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$425,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-77 SB over CR 19 & Allen Fork built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1999.

What condition is I-77 SB over CR 19 & Allen Fork 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 2023.

How much traffic does I-77 SB over CR 19 & Allen Fork carry?

About 8,300 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is I-77 SB over CR 19 & Allen Fork?

The structure is 265 ft (80.7 m) long with a longest span of 86 ft (26.2 m) and a deck 35 ft wide.

Who owns I-77 SB over CR 19 & Allen Fork?

It is owned by the State Highway Agency.