US Bridges

I-77 NB & SB over US 60

Poor

Kanawha County, West Virginia · 1.35 MI N of US 60 (t) · Structure no. 00000000020A424

Built
1975
50 years old
Condition
Poor
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
486 ft
2 main spans
Daily traffic
47,700
2020 count
Owner
State
State Highway Agency

About this bridge

I-77 NB & SB over US 60 is a steel continuous stringer/multi-beam or girder carrying I-77 NB & SB over US 60 in Kanawha County, West Virginia. It was built in 1975, so it is 50 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 47,700 vehicles a day, roughly 17% of them trucks, projected to reach 74,412 by 2040. The structure is 486 ft (148.1 m) long and 91 ft wide.

Location

Open in Google Maps
CarriesI-77 NB & SB
CrossesUS 60
Location1.35 MI N of US 60 (t)
RouteInterstate 77
CountyKanawha County
StateWest Virginia
Coordinates38.32993, -81.58034
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+3 approach)
Design loadHS 20
Structure length486 ft (148.1 m)
Longest span122 ft (37.2 m)
Deck width91 ft (27.6 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,700 (2020)
Projected traffic74,412 by 2040
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 NB & SB over US 60 built?

It was built in 1975, making it 50 years old in 2025.

What condition is I-77 NB & SB over US 60 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2022.

How much traffic does I-77 NB & SB over US 60 carry?

About 47,700 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is I-77 NB & SB over US 60?

The structure is 486 ft (148.1 m) long with a longest span of 122 ft (37.2 m) and a deck 91 ft wide.

Who owns I-77 NB & SB over US 60?

It is owned by the State Highway Agency.