Structure 5685 · Madison County, AL

O. Patterson RD over Flint River

Carries O. Patterson RD over Flint River, 0.5 Mi W Jct Co RD 450.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
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
SEMI-TRUCK · 72 FT508 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

508 ft end to end, longest span 80 ft: about 7 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.

Built195670 years old
Length507.9 ft154.8 m
Daily traffic1,513counted 2002
Last inspectedFebruary 2024every 24 months

Location

StateAlabama
CountyMadison
Location0.5 Mi W Jct Co RD 450
CarriesO. Patterson RD
CrossesFlint River
Coordinates34.88059, -86.48054

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length507.9 ft (154.8 m)
Max Span80.1 ft (24.4 m)
Deck Width24.0 ft (7.3 m)
Deck Area1130.0 sq m
Main Spans3
Year Built1956

Traffic

Avg Daily Traffic1,513 (2002)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number005685

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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