Structure 6594 · Morgan County, AL

SR 20 over Southern Rr

Carries SR 20 over Southern Rr, 0.6 M W Jct SR 20 & SR 3.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT105 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

105 ft end to end, longest span 42 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 tee-beam bridge.

Built195967 years old
Length105.0 ft32 m
Daily traffic24,970counted 2024
Last inspectedSeptember 2024every 24 months

Location

StateAlabama
CountyMorgan
Location0.6 M W Jct SR 20 & SR 3
CarriesSR 20
CrossesSouthern Rr
Coordinates34.61510, -86.98430

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length105.0 ft (32 m)
Max Span42.0 ft (12.8 m)
Deck Width70.5 ft (21.5 m)
Deck Area688 sq m
Main Spans3
Year Built1959

Traffic

Avg Daily Traffic24,970 (2024)
Truck Traffic13%
Lanes On Bridge4

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 Number006594

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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