US Bridges

I-77 S over Bluestone Rvr & Co. Rt 3

Fair

Mercer County, West Virginia · 2.16 MI S of Rt 19 I/C · Structure no. 00000000028A216

Built
1954
71 years old, rebuilt 1982
Condition
Fair
inspected July 2023
Type
Truss - Deck
Steel Continuous
Length
1,342 ft
1 main span
Daily traffic
28,562
2015 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-77 S over Bluestone Rvr & Co. Rt 3 is a steel continuous truss - deck carrying I-77 S over Bluestone Rvr & Co. Rt 3 in Mercer County, West Virginia. It was built in 1954 and reconstructed in 1982, so it is 71 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 28,562 vehicles a day, roughly 23% of them trucks, projected to reach 41,129 by 2035. The structure is 1,342 ft (408.9 m) long and 38 ft wide.

Location

Open in Google Maps
CarriesI-77 S
CrossesBluestone Rvr & Co. Rt 3
Location2.16 MI S of Rt 19 I/C
RouteInterstate 7700
CountyMercer County
StateWest Virginia
Coordinates37.47968, -81.07382
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
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating40 US tons

Structure

Structure typeTruss - Deck
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 20 + Mod
Structure length1,342 ft (408.9 m)
Longest span504 ft (153.6 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,562 (2015)
Projected traffic41,129 by 2035
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-77 S over Bluestone Rvr & Co. Rt 3 built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1982.

What condition is I-77 S over Bluestone Rvr & Co. Rt 3 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 July 2023.

How much traffic does I-77 S over Bluestone Rvr & Co. Rt 3 carry?

About 28,562 vehicles per day (2015 count), of which roughly 23% are trucks.

How long is I-77 S over Bluestone Rvr & Co. Rt 3?

The structure is 1,342 ft (408.9 m) long with a longest span of 504 ft (153.6 m) and a deck 38 ft wide.

Who owns I-77 S over Bluestone Rvr & Co. Rt 3?

It is owned by the State Toll Authority.