US Bridges

Interstate 79 over US 33

Fair

Lewis County, West Virginia · 2.81 MI N of CO 19/39 · Structure no. 00000000021A124

Built
1972
53 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
204 ft
2 main spans
Daily traffic
13,900
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 79 over US 33 is a steel continuous stringer/multi-beam or girder carrying Interstate 79 over US 33 in Lewis County, West Virginia. It was built in 1972, so it is 53 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 13,900 vehicles a day, roughly 21% of them trucks, projected to reach 19,877 by 2038. The structure is 204 ft (62.2 m) long and 45 ft wide.

CarriesInterstate 79
CrossesUS 33
Location2.81 MI N of CO 19/39
RouteInterstate 7900
Coordinates39.02163, -80.42749
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.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length204 ft (62.2 m)
Longest span100 ft (30.5 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,900 (2018)
Projected traffic19,877 by 2038
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 79 over US 33 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Interstate 79 over US 33 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 April 2024.

How much traffic does Interstate 79 over US 33 carry?

About 13,900 vehicles per day (2018 count), of which roughly 21% are trucks.

How long is Interstate 79 over US 33?

The structure is 204 ft (62.2 m) long with a longest span of 100 ft (30.5 m) and a deck 45 ft wide.

Who owns Interstate 79 over US 33?

It is owned by the State Highway Agency.