US Bridges

Marion CO Rt 64/1 over I 79 NB and SB

Fair

Marion County, West Virginia · 0.04 MI West CO Rt 64 · Structure no. 00000000025A106

Built
1966
59 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
222 ft
2 main spans
Daily traffic
3,100
2019 count
Owner
State
State Highway Agency

About this bridge

Marion CO Rt 64/1 over I 79 NB and SB is a steel continuous stringer/multi-beam or girder carrying Marion CO Rt 64/1 over I 79 NB and SB in Marion County, West Virginia. It was built in 1966, so it is 59 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 5 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 3,100 vehicles a day, roughly 8% of them trucks, projected to reach 4,835 by 2041. The structure is 222 ft (67.7 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMarion CO Rt 64/1
CrossesI 79 NB and SB
Location0.04 MI West CO Rt 64
RouteCounty Highway 6401
Coordinates39.44305, -80.16825
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating82 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span59 ft (18.1 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2019)
Projected traffic4,835 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$2.8 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Marion CO Rt 64/1 over I 79 NB and SB built?

It was built in 1966, making it 59 years old in 2025.

What condition is Marion CO Rt 64/1 over I 79 NB and SB 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 2024.

How much traffic does Marion CO Rt 64/1 over I 79 NB and SB carry?

About 3,100 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Marion CO Rt 64/1 over I 79 NB and SB?

The structure is 222 ft (67.7 m) long with a longest span of 59 ft (18.1 m) and a deck 31 ft wide.

Who owns Marion CO Rt 64/1 over I 79 NB and SB?

It is owned by the State Highway Agency.