Structure 20348 · Marshall County, AL

S.r. 75 over Scarham Creek

Carries S.r. 75 over Scarham Creek, .9 Mi N Jct Sr68/sr75.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT460 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

460 ft end to end, longest span 115 ft: about 6 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.

Built201511 years old
Length460.0 ft140.2 m
Daily traffic3,608counted 2022
Last inspectedJanuary 2024every 24 months

Location

StateAlabama
CountyMarshall
Location.9 Mi N Jct Sr68/sr75
CarriesS.r. 75
CrossesScarham Creek
Coordinates34.30621, -86.13165

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length460.0 ft (140.2 m)
Max Span115.2 ft (35.1 m)
Deck Width43.0 ft (13.1 m)
Deck Area1836.6 sq m
Main Spans4
Year Built2015

Traffic

Avg Daily Traffic3,608 (2022)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number020348

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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