US Bridges

I-77 Ramp F over I77 Ramp G Piedmont Smit

Fair

Kanawha County, West Virginia · 1.04 MI N of Wv 114 · Structure no. 00000000020A412

Built
1975
50 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
1,517 ft
12 main spans
Daily traffic
6,733
2016 count
Owner
State
State Highway Agency

About this bridge

I-77 Ramp F over I77 Ramp G Piedmont Smit is a steel continuous box beam or girders - multiple carrying I-77 Ramp F over I77 Ramp G Piedmont Smit 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 fair condition with a lowest component rating of 5 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 6,733 vehicles a day, roughly 17% of them trucks, projected to reach 7,406 by 2036. The structure is 1,517 ft (462.4 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesI-77 Ramp F
CrossesI77 Ramp G Piedmont Smit
Location1.04 MI N of Wv 114
RouteInterstate 7700
CountyKanawha County
StateWest Virginia
Coordinates38.35218, -81.62573
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71 US tons
Inventory rating38 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans12 (+1 approach)
Design loadHS 20 + Mod
Structure length1,517 ft (462.4 m)
Longest span167 ft (50.9 m)
Deck width25 ft (7.5 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic6,733 (2016)
Projected traffic7,406 by 2036
Trucks17%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed6.2 mi (10 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 Ramp F over I77 Ramp G Piedmont Smit built?

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

What condition is I-77 Ramp F over I77 Ramp G Piedmont Smit 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 May 2024.

How much traffic does I-77 Ramp F over I77 Ramp G Piedmont Smit carry?

About 6,733 vehicles per day (2016 count), of which roughly 17% are trucks.

How long is I-77 Ramp F over I77 Ramp G Piedmont Smit?

The structure is 1,517 ft (462.4 m) long with a longest span of 167 ft (50.9 m) and a deck 25 ft wide.

Who owns I-77 Ramp F over I77 Ramp G Piedmont Smit?

It is owned by the State Highway Agency.