Structure 11738 · Lauderdale County, AL

Co 91 over Branch

Carries Co 91 over Branch, 0.2 Mi S US 72.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
24 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

24 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 channel-beam bridge.

Built1956rebuilt 1977
Length24.0 ft7.3 m
Daily traffic2,186counted 2001
Last inspectedNovember 2024every 24 months

Location

StateAlabama
CountyLauderdale
Location0.2 Mi S US 72
CarriesCo 91
CrossesBranch
Coordinates34.82148, -87.29444

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length24.0 ft (7.3 m)
Max Span24.0 ft (7.3 m)
Deck Width24.3 ft (7.4 m)
Deck Area54.0 sq m
Main Spans1
Year Built1956 (reconstructed 1977)

Traffic

Avg Daily Traffic2,186 (2001)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number011738

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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