US Bridges

I-77 NB over Brush Creek

Fair

Mercer County, West Virginia · .08 Mi. N. of RTE 7 · Structure no. 00000000028A207

Built
1979
46 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
228 ft
1 main span
Daily traffic
40,127
2021 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-77 NB over Brush Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I-77 NB over Brush Creek in Mercer County, West Virginia. It was built in 1979, so it is 46 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 40,127 vehicles a day, roughly 23% of them trucks, projected to reach 48,734 by 2041. The structure is 228 ft (69.6 m) long and 45 ft wide.

Location

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CarriesI-77 NB
CrossesBrush Creek
Location.08 Mi. N. of RTE 7
RouteInterstate 7700
CountyMercer County
StateWest Virginia
Coordinates37.42643, -81.06598
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length228 ft (69.6 m)
Longest span73 ft (22.4 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,127 (2021)
Projected traffic48,734 by 2041
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 NB over Brush Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is I-77 NB over Brush Creek 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 over Brush Creek carry?

About 40,127 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is I-77 NB over Brush Creek?

The structure is 228 ft (69.6 m) long with a longest span of 73 ft (22.4 m) and a deck 45 ft wide.

Who owns I-77 NB over Brush Creek?

It is owned by the State Toll Authority.