US Bridges

I-77 Nbl over US Route 33

Fair

Jackson County, West Virginia · 5.45 MI N of CR 21 · Structure no. 00000000018A162

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
132 ft
1 main span
Daily traffic
6,850
2022 count
Owner
State
State Highway Agency

About this bridge

I-77 Nbl over US Route 33 is a steel continuous stringer/multi-beam or girder carrying I-77 Nbl over US Route 33 in Jackson County, West Virginia. It was built in 1964, so it is 61 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 6,850 vehicles a day, roughly 23% of them trucks, projected to reach 9,796 by 2042. The structure is 132 ft (40.1 m) long and 42 ft wide.

CarriesI-77 Nbl
CrossesUS Route 33
Location5.45 MI N of CR 21
RouteInterstate 77
Coordinates38.82008, -81.7277
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length132 ft (40.1 m)
Longest span65 ft (19.7 m)
Deck width42 ft (12.8 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,850 (2022)
Projected traffic9,796 by 2042
Trucks23%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 Nbl over US Route 33 built?

It was built in 1964, making it 61 years old in 2025.

What condition is I-77 Nbl over US Route 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 October 2024.

How much traffic does I-77 Nbl over US Route 33 carry?

About 6,850 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is I-77 Nbl over US Route 33?

The structure is 132 ft (40.1 m) long with a longest span of 65 ft (19.7 m) and a deck 42 ft wide.

Who owns I-77 Nbl over US Route 33?

It is owned by the State Highway Agency.