Structure 11622 · Bibb County, AL

Fas 15 over Viaduct Over So Rr

Carries Fas 15 over Viaduct Over So Rr, Greenpond.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT168 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

168 ft end to end, longest span 50 ft: about 2 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.

Built197650 years old
Length168.0 ft51.2 m
Daily traffic455counted 1987
Last inspectedNovember 2024every 24 months

Location

StateAlabama
CountyBibb
LocationGreenpond
CarriesFas 15
CrossesViaduct Over So Rr
Coordinates33.22540, -87.12707

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length168.0 ft (51.2 m)
Max Span49.9 ft (15.2 m)
Deck Width30.8 ft (9.4 m)
Deck Area481.3 sq m
Main Spans2
Year Built1976

Traffic

Avg Daily Traffic455 (1987)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number011622

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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