US Bridges

I-77 SB over Route 1 and Dixon Branch

Fair

Raleigh County, West Virginia · 2.60 MI S of 23/2 · Structure no. 00000000041A231

Built
1985
40 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
300 ft
2 main spans
Daily traffic
22,500
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-77 SB over Route 1 and Dixon Branch is a steel continuous stringer/multi-beam or girder carrying I-77 SB over Route 1 and Dixon Branch in Raleigh County, West Virginia. It was built in 1985, so it is 40 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 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 22,500 vehicles a day, roughly 40% of them trucks, projected to reach 48,437 by 2042. The structure is 300 ft (91.3 m) long and 44 ft wide.

Location

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CarriesI-77 SB
CrossesRoute 1 and Dixon Branch
Location2.60 MI S of 23/2
RouteInterstate 7700
CountyRaleigh County
StateWest Virginia
Coordinates37.87958, -81.26736
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 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 alignment6: Equal to present minimum criteria
Operating rating74 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length300 ft (91.3 m)
Longest span84 ft (25.6 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,500 (2022)
Projected traffic48,437 by 2042
Trucks40%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-77 SB over Route 1 and Dixon Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is I-77 SB over Route 1 and Dixon Branch 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 SB over Route 1 and Dixon Branch carry?

About 22,500 vehicles per day (2022 count), of which roughly 40% are trucks.

How long is I-77 SB over Route 1 and Dixon Branch?

The structure is 300 ft (91.3 m) long with a longest span of 84 ft (25.6 m) and a deck 44 ft wide.

Who owns I-77 SB over Route 1 and Dixon Branch?

It is owned by the State Toll Authority.