US Bridges

I-77 over Slaughter Creek & Rt. 72

Fair

Kanawha County, West Virginia · 0.0 MI of Wv 72 · Structure no. 00000000020A617

Built
1983
42 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
236 ft
1 main span
Daily traffic
39,759
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-77 over Slaughter Creek & Rt. 72 is a steel continuous stringer/multi-beam or girder carrying I-77 over Slaughter Creek & Rt. 72 in Kanawha County, West Virginia. It was built in 1983, so it is 42 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 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 39,759 vehicles a day, roughly 17% of them trucks, projected to reach 69,578 by 2039. The structure is 236 ft (71.9 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-77
CrossesSlaughter Creek & Rt. 72
Location0.0 MI of Wv 72
RouteInterstate 7700
CountyKanawha County
StateWest Virginia
Coordinates38.19297, -81.50019
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
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 alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length236 ft (71.9 m)
Longest span85 ft (26 m)
Deck width96 ft (29.3 m)
Roadway width90 ft (27.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,759 (2023)
Projected traffic69,578 by 2039
Trucks17%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 I-77 over Slaughter Creek & Rt. 72 built?

It was built in 1983, making it 42 years old in 2025.

What condition is I-77 over Slaughter Creek & Rt. 72 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 I-77 over Slaughter Creek & Rt. 72 carry?

About 39,759 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is I-77 over Slaughter Creek & Rt. 72?

The structure is 236 ft (71.9 m) long with a longest span of 85 ft (26 m) and a deck 96 ft wide.

Who owns I-77 over Slaughter Creek & Rt. 72?

It is owned by the State Toll Authority.