US Bridges

I-77 Entr Ramp NB over Brush Creek

Fair

Mercer County, West Virginia · 0.07 Mi. N. of CO Rt 7 · Structure no. 00000000028A206

Built
1977
48 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
252 ft
1 main span
Daily traffic
950
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-77 Entr Ramp NB over Brush Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I-77 Entr Ramp NB over Brush Creek in Mercer County, West Virginia. It was built in 1977, so it is 48 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 950 vehicles a day, roughly 23% of them trucks, projected to reach 1,900 by 2042. The structure is 252 ft (76.9 m) long and 31 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesI-77 Entr Ramp NB
CrossesBrush Creek
Location0.07 Mi. N. of CO Rt 7
RouteInterstate 7700
CountyMercer County
StateWest Virginia
Coordinates37.42653, -81.06561
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.
Substructure7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating40 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 length252 ft (76.9 m)
Longest span83 ft (25.4 m)
Deck width31 ft (9.3 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2022)
Projected traffic1,900 by 2042
Trucks23%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
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 Entr Ramp NB over Brush Creek built?

It was built in 1977, making it 48 years old in 2025.

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

About 950 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is I-77 Entr Ramp NB over Brush Creek?

The structure is 252 ft (76.9 m) long with a longest span of 83 ft (25.4 m) and a deck 31 ft wide.

Who owns I-77 Entr Ramp NB over Brush Creek?

It is owned by the State Toll Authority.