US Bridges

I-77 over CSX RR

Fair

Kanawha County, West Virginia · 1.35 MI S of Route 72 I/C · Structure no. 00000000020A612

Built
1982
43 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
283 ft
1 main span
Daily traffic
29,548
2018 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-77 over CSX RR is a steel continuous stringer/multi-beam or girder carrying I-77 over CSX RR in Kanawha County, West Virginia. It was built in 1982, so it is 43 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 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 29,548 vehicles a day, roughly 17% of them trucks, projected to reach 36,648 by 2038. The structure is 283 ft (86.4 m) long and 91 ft wide.

Location

Open in Google Maps
CarriesI-77
CrossesCSX RR
Location1.35 MI S of Route 72 I/C
RouteInterstate 7700
CountyKanawha County
StateWest Virginia
Coordinates38.19472, -81.47715
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length283 ft (86.4 m)
Longest span108 ft (32.9 m)
Deck width91 ft (27.6 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,548 (2018)
Projected traffic36,648 by 2038
Trucks17%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 over CSX RR built?

It was built in 1982, making it 43 years old in 2025.

What condition is I-77 over CSX RR 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 August 2024.

How much traffic does I-77 over CSX RR carry?

About 29,548 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is I-77 over CSX RR?

The structure is 283 ft (86.4 m) long with a longest span of 108 ft (32.9 m) and a deck 91 ft wide.

Who owns I-77 over CSX RR?

It is owned by the State Toll Authority.