Structure 10038 · Marengo County, AL

Co RT No 39 over Chickasaw Bogue Relief

Carries Co RT No 39 over Chickasaw Bogue Relief, 5.35 Mi N Al 28.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT306 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

306 ft end to end, longest span 34 ft: about 4 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.

Built196957 years old
Length306.1 ft93.3 m
Daily traffic130counted 1988
Last inspectedOctober 2024every 24 months

Location

StateAlabama
CountyMarengo
Location5.35 Mi N Al 28
CarriesCo RT No 39
CrossesChickasaw Bogue Relief
Coordinates32.31616, -87.69978

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length306.1 ft (93.3 m)
Max Span34.1 ft (10.4 m)
Deck Width26.9 ft (8.2 m)
Deck Area765.1 sq m
Main Spans9
Year Built1969

Traffic

Avg Daily Traffic130 (1988)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number010038

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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