Structure 5859 · Walker County, AL

Al-13 over Bnsf Railroad

Carries Al-13 over Bnsf Railroad, .5 Mi S Al-118.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT178 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 6/9

178 ft end to end, longest span 42 ft: about 2 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.

Built195769 years old
Length178.1 ft54.3 m
Daily traffic2,141counted 2020
Last inspectedOctober 2023every 24 months

Location

StateAlabama
CountyWalker
Location.5 Mi S Al-118
CarriesAl-13
CrossesBnsf Railroad
Coordinates33.91712, -87.62403

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length178.1 ft (54.3 m)
Max Span42.0 ft (12.8 m)
Deck Width30.8 ft (9.4 m)
Deck Area510.4 sq m
Main Spans5
Year Built1957

Traffic

Avg Daily Traffic2,141 (2020)
Truck Traffic18%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number005859

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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