Structure 12126 · Chilton County, AL

County Road 55 over Coosa River

Carries County Road 55 over Coosa River, CR 55 2 Mi NW New Hopech.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,159 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

1,159 ft end to end, longest span 180 ft: about 3.2 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.

Built197947 years old
Length1159.1 ft353.3 m
Daily traffic250counted 1977
Last inspectedOctober 2024every 24 months

Location

StateAlabama
CountyChilton
LocationCR 55 2 Mi NW New Hopech
CarriesCounty Road 55
CrossesCoosa River
Coordinates32.95369, -86.51525

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1159.1 ft (353.3 m)
Max Span180.1 ft (54.9 m)
Deck Width30.8 ft (9.4 m)
Deck Area3321.0 sq m
Main Spans9
Year Built1979

Traffic

Avg Daily Traffic250 (1977)
Truck Traffic1%
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 Number012126

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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