Structure 13296 · Lawrence County, AL

SR 20 over Southern Rr

Carries SR 20 over Southern Rr, 4 M W Jct SR 20 & SR 33.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT195 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

195 ft end to end, longest span 85 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 multi-beam bridge.

Built198442 years old
Length194.9 ft59.4 m
Daily traffic4,275counted 2024
Last inspectedNovember 2024every 24 months

Location

StateAlabama
CountyLawrence
Location4 M W Jct SR 20 & SR 33
CarriesSR 20
CrossesSouthern Rr
Coordinates34.68033, -87.34547

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length194.9 ft (59.4 m)
Max Span85.0 ft (25.9 m)
Deck Width42.7 ft (13 m)
Deck Area772.2 sq m
Main Spans3
Year Built1984

Traffic

Avg Daily Traffic4,275 (2024)
Truck Traffic22%
Lanes On Bridge2

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 Number013296

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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