Structure 17781 · Walker County, AL

I-22 over Ns Railroad

Carries I-22 over Ns Railroad, Cordova.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT862 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 8/9

862 ft end to end, longest span 210 ft: about 2.4 football fields. 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.

Built200224 years old
Length861.9 ft262.7 m
Daily traffic22,592counted 2020
Last inspectedJanuary 2025every 24 months

Location

StateAlabama
CountyWalker
LocationCordova
CarriesI-22
CrossesNs Railroad
Coordinates33.75890, -87.20580

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length861.9 ft (262.7 m)
Max Span210.0 ft (64 m)
Deck Width58.7 ft (17.9 m)
Deck Area4702.3 sq m
Main Spans4
Year Built2002

Traffic

Avg Daily Traffic22,592 (2020)
Truck Traffic22%
Lanes On Bridge3
Lanes Under Bridge1

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number017781

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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