US Bridges

Marion CO Rt 73/73 over I-79 NB & SB

Fair

Marion County, West Virginia · 0.20 MI North CO Rt 58 · Structure no. 00000000025A120

Built
1966
59 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
282 ft
2 main spans
Daily traffic
8,600
2022 count
Owner
State
State Highway Agency

About this bridge

Marion CO Rt 73/73 over I-79 NB & SB is a steel continuous stringer/multi-beam or girder carrying Marion CO Rt 73/73 over I-79 NB & 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 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 8,600 vehicles a day, roughly 8% of them trucks, projected to reach 13,415 by 2041. The structure is 282 ft (86 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMarion CO Rt 73/73
CrossesI-79 NB & SB
Location0.20 MI North CO Rt 58
RouteCounty Highway 7373
CountyMarion County
StateWest Virginia
Coordinates39.42276, -80.19809
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length282 ft (86 m)
Longest span81 ft (24.8 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2022)
Projected traffic13,415 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Marion CO Rt 73/73 over I-79 NB & SB built?

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

What condition is Marion CO Rt 73/73 over I-79 NB & 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 2023.

How much traffic does Marion CO Rt 73/73 over I-79 NB & SB carry?

About 8,600 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Marion CO Rt 73/73 over I-79 NB & SB?

The structure is 282 ft (86 m) long with a longest span of 81 ft (24.8 m) and a deck 33 ft wide.

Who owns Marion CO Rt 73/73 over I-79 NB & SB?

It is owned by the State Highway Agency.