Structure 16634 · Marshall County, AL

Co RD 1483a over Creek

Carries Co RD 1483a over Creek, 300ft S Co RD 1483a.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT38 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 38 ft across with 4 openings. 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, so those are drawn as typical for a culvert.

Built199630 years old
Length38.1 ft11.6 m
Daily traffic450counted 1996
Last inspectedJanuary 2024every 24 months

Location

StateAlabama
CountyMarshall
Location300ft S Co RD 1483a
CarriesCo RD 1483a
CrossesCreek
Coordinates34.43532, -86.26281

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length38.1 ft (11.6 m)
Max Span7.9 ft (2.4 m)
Deck Width32.2 ft (9.8 m)
Deck Area113.7 sq m
Main Spans4
Year Built1996

Traffic

Avg Daily Traffic450 (1996)
Truck Traffic70%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number016634

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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