US Bridges

I-77 NB Ramp D over No Feature under Route

Fair

Kanawha County, West Virginia · 1.43 MI N of Wv 114 · Structure no. 00000000020A429

Built
1975
50 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
411 ft
3 main spans
Daily traffic
4,387
2017 count
Owner
State
State Highway Agency

About this bridge

I-77 NB Ramp D over No Feature under Route is a steel continuous box beam or girders - single or spread carrying I-77 NB Ramp D over No Feature under Route 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 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 4,387 vehicles a day, roughly 17% of them trucks, projected to reach 4,826 by 2037. The structure is 411 ft (125.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-77 NB Ramp D
CrossesNo Feature under Route
Location1.43 MI N of Wv 114
RouteInterstate 7700
CountyKanawha County
StateWest Virginia
Coordinates38.3543, -81.63061
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.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating41 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 20 + Mod
Structure length411 ft (125.3 m)
Longest span122 ft (37.3 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,387 (2017)
Projected traffic4,826 by 2037
Trucks17%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 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$130,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 NB Ramp D over No Feature under Route built?

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

What condition is I-77 NB Ramp D over No Feature under Route 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 NB Ramp D over No Feature under Route carry?

About 4,387 vehicles per day (2017 count), of which roughly 17% are trucks.

How long is I-77 NB Ramp D over No Feature under Route?

The structure is 411 ft (125.3 m) long with a longest span of 122 ft (37.3 m) and a deck 28 ft wide.

Who owns I-77 NB Ramp D over No Feature under Route?

It is owned by the State Highway Agency.