Structure 1604 · Jefferson County, AL

Cherokee DR over Cahaba Rv

Carries Cherokee DR over Cahaba Rv, Cherokee DR * PKWY DR.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT96 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 7/9

96 ft end to end, longest span 41 ft. Lengths and the car 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 deck arch.

Built193789 years old
Length95.8 ft29.2 m
Daily traffic2,000counted 2024
Last inspectedJanuary 2024every 24 months

Location

StateAlabama
CountyJefferson
LocationCherokee DR * PKWY DR
CarriesCherokee DR
CrossesCahaba Rv
Coordinates33.63075, -86.60303

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length95.8 ft (29.2 m)
Max Span40.7 ft (12.4 m)
Deck Width27.2 ft (8.3 m)
Deck Area242.4 sq m
Main Spans2
Year Built1937

Traffic

Avg Daily Traffic2,000 (2024)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number001604

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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