Structure 14155 · Jefferson County, AL

Ramp "a" over 26th Street

Carries Ramp "a" over 26th Street, I59 To 26th Street.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
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 FT3,642 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

3,642 ft end to end, longest span 165 ft: about 10 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.

Built198739 years old
Length3642.1 ft1110.1 m
Daily traffic15,477counted 2024
Last inspectedSeptember 2024every 24 months

Location

StateAlabama
CountyJefferson
LocationI59 To 26th Street
CarriesRamp "a"
Crosses26th Street
Coordinates33.52440, -86.80090

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length3642.1 ft (1110.1 m)
Max Span165.0 ft (50.3 m)
Deck Width40.4 ft (12.3 m)
Deck Area13654.2 sq m
Main Spans28
Year Built1987

Traffic

Avg Daily Traffic15,477 (2024)
Truck Traffic10%
Lanes On Bridge1
Lanes Under Bridge31

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number014155

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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