US Bridges

I-77 NB over Spring Street

Fair

Kanawha County, West Virginia · 0.10 MI N of I-64 · Structure no. 00000000020A432

Built
1974
51 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
17,800
2022 count
Owner
State
State Highway Agency

About this bridge

I-77 NB over Spring Street is a steel stringer/multi-beam or girder carrying I-77 NB over Spring Street in Kanawha County, West Virginia. It was built in 1974, so it is 51 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 17,800 vehicles a day, roughly 17% of them trucks, projected to reach 27,768 by 2042. The structure is 63 ft (19.3 m) long and 76 ft wide.

CarriesI-77 NB
CrossesSpring Street
Location0.10 MI N of I-64
RouteInterstate 77
Coordinates38.36115, -81.62739
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating40 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length63 ft (19.3 m)
Longest span57 ft (17.5 m)
Deck width76 ft (23.2 m)
Roadway width73 ft (22.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,800 (2022)
Projected traffic27,768 by 2042
Trucks17%
Lanes on structure4
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$550,000 (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 NB over Spring Street built?

It was built in 1974, making it 51 years old in 2025.

What condition is I-77 NB over Spring Street 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 September 2023.

How much traffic does I-77 NB over Spring Street carry?

About 17,800 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is I-77 NB over Spring Street?

The structure is 63 ft (19.3 m) long with a longest span of 57 ft (17.5 m) and a deck 76 ft wide.

Who owns I-77 NB over Spring Street?

It is owned by the State Highway Agency.