Structure 10736 · Jefferson County, AL

Ramp Ad To Al - 3 over 3rd AVE No

Carries Ramp Ad To Al - 3 over 3rd AVE No, Ramp Ad.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT353 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

353 ft end to end, longest span 80 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.

Built197254 years old
Length353.0 ft107.6 m
Daily traffic6,362counted 2022
Last inspectedApril 2023every 24 months

Location

StateAlabama
CountyJefferson
LocationRamp Ad
CarriesRamp Ad To Al - 3
Crosses3rd AVE No
Coordinates33.51667, -86.79667

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length353.0 ft (107.6 m)
Max Span80.1 ft (24.4 m)
Deck Width33.1 ft (10.1 m)
Deck Area1086.8 sq m
Main Spans5
Year Built1972

Traffic

Avg Daily Traffic6,362 (2022)
Truck Traffic5%
Lanes On Bridge1
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number010736

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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