Structure 20A803 · Kanawha County, WV

I-64 over CR 25/25 10th St.dunbar

Carries I-64 over CR 25/25 10th St.dunbar, 2.40 Mile E Of Wv 25.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT171 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

171 ft end to end: about 2 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built1966rebuilt 2002
Length170.6 ft52 m
Daily traffic126,400counted 2021
Last inspectedDecember 2022every 24 months

Location

StateWest Virginia
CountyKanawha
Location2.40 Mile E Of Wv 25
CarriesI-64
CrossesCR 25/25 10th St.dunbar
Coordinates38.36265, -81.73739

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length170.6 ft (52 m)
Max Span88.6 ft (27 m)
Deck Width130.2 ft (39.7 m)
Deck Area2064.4 sq m
Main Spans1
Year Built1966 (reconstructed 2002)

Traffic

Avg Daily Traffic126,400 (2021)
Truck Traffic17%
Lanes On Bridge6
Lanes Under Bridge3

Inspection & Ownership

Last InspectionDecember 2022
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number00000000020A803

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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