Structure 13176 · Jefferson County, AL

Walker Chapel RD over I - 65

Carries Walker Chapel RD over I - 65, I65 * Walker Chapel RD.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT375 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

375 ft end to end, longest span 102 ft: about 5 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.

Built198442 years old
Length375.0 ft114.3 m
Daily traffic5,500counted 2024
Last inspectedJuly 2024every 24 months

Location

StateAlabama
CountyJefferson
LocationI65 * Walker Chapel RD
CarriesWalker Chapel RD
CrossesI - 65
Coordinates33.60818, -86.80912

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length375.0 ft (114.3 m)
Max Span102.0 ft (31.1 m)
Deck Width92.5 ft (28.2 m)
Deck Area3223.3 sq m
Main Spans3
Year Built1984

Traffic

Avg Daily Traffic5,500 (2024)
Truck Traffic1%
Lanes On Bridge6
Lanes Under Bridge7

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number013176

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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