US Bridges

I-77 Exit Ramp SB over Brush Creek

Fair

Mercer County, West Virginia · 0.03 Mi. N. of CO Rt 7 · Structure no. 00000000028A212

Built
1977
48 years old, rebuilt 2021
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
253 ft
1 main span
Daily traffic
1,000
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-77 Exit Ramp SB over Brush Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I-77 Exit Ramp SB over Brush Creek in Mercer County, West Virginia. It was built in 1977 and reconstructed in 2021, 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 1,000 vehicles a day, roughly 23% of them trucks, projected to reach 2,000 by 2042. The structure is 253 ft (77.1 m) long and 31 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesI-77 Exit Ramp SB
CrossesBrush Creek
Location0.03 Mi. N. of CO Rt 7
RouteInterstate 7700
CountyMercer County
StateWest Virginia
Coordinates37.42577, -81.06776
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.
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, precast panels
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length253 ft (77.1 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 traffic1,000 (2022)
Projected traffic2,000 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 Exit Ramp SB over Brush Creek built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2021.

What condition is I-77 Exit Ramp SB 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 Exit Ramp SB over Brush Creek carry?

About 1,000 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is I-77 Exit Ramp SB over Brush Creek?

The structure is 253 ft (77.1 m) long with a longest span of 83 ft (25.4 m) and a deck 31 ft wide.

Who owns I-77 Exit Ramp SB over Brush Creek?

It is owned by the State Toll Authority.