Structure 12 · Jackson County, AL

Jc91 over Southernlnrailroad

Carries Jc91 over Southernlnrailroad, 1001e US 72.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT119 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

119 ft end to end, longest span 33 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 slab bridge.

Built1900126 years old
Length119.1 ft36.3 m
Daily traffic495counted 2007
Last inspectedJanuary 2025every 24 months

Location

StateAlabama
CountyJackson
Location1001e US 72
CarriesJc91
CrossesSouthernlnrailroad
Coordinates34.94359, -86.72692

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length119.1 ft (36.3 m)
Max Span33.1 ft (10.1 m)
Deck Width22.6 ft (6.9 m)
Deck Area250.5 sq m
Main Spans3
Year Built1900

Traffic

Avg Daily Traffic495 (2007)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour CriticalNot applicable
Structure Number000012

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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