Structure 18579 · Macon County, AL

Al 229 over Tallapoosa River

Carries Al 229 over Tallapoosa River, Macon / Elmore Line.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT700 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

700 ft end to end, longest span 135 ft: about 1.9 football fields. 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.

Built200719 years old
Length700.1 ft213.4 m
Daily traffic7,140counted 2013
Last inspectedMarch 2023every 24 months

Location

StateAlabama
CountyMacon
LocationMacon / Elmore Line
CarriesAl 229
CrossesTallapoosa River
Coordinates32.44892, -85.89811

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length700.1 ft (213.4 m)
Max Span134.8 ft (41.1 m)
Deck Width46.6 ft (14.2 m)
Deck Area3030.3 sq m
Main Spans2
Year Built2007

Traffic

Avg Daily Traffic7,140 (2013)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number018579

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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