Structure 9046 · Jefferson County, AL

Al - 3 South over 8 TH AVE So

Carries Al - 3 South over 8 TH AVE So, US 31 * 8 TH AVE So.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT233 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

233 ft end to end, longest span 88 ft: about 3 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 tee-beam bridge.

Built196660 years old
Length232.9 ft71 m
Daily traffic36,335counted 2024
Last inspectedNovember 2024every 24 months

Location

StateAlabama
CountyJefferson
LocationUS 31 * 8 TH AVE So
CarriesAl - 3 South
Crosses8 TH AVE So
Coordinates33.50840, -86.79090

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length232.9 ft (71 m)
Max Span87.9 ft (26.8 m)
Deck Width55.1 ft (16.8 m)
Deck Area1192.8 sq m
Main Spans3
Year Built1966

Traffic

Avg Daily Traffic36,335 (2024)
Truck Traffic3%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number009046

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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