Structure 10205 · Montgomery County, AL

In 85 over Chestnut Street

Carries In 85 over Chestnut Street, 2.6 Mi N Of I65.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT409 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

409 ft end to end, longest span 82 ft: about 6 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.

Built1970rebuilt 1994
Length409.1 ft124.7 m
Daily traffic109,830counted 2013
Last inspectedMay 2023every 24 months

Location

StateAlabama
CountyMontgomery
Location2.6 Mi N Of I65
CarriesIn 85
CrossesChestnut Street
Coordinates32.36546, -86.27810

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length409.1 ft (124.7 m)
Max Span82.0 ft (25 m)
Deck Width150.9 ft (46 m)
Deck Area5736.2 sq m
Main Spans6
Year Built1970 (reconstructed 1994)

Traffic

Avg Daily Traffic109,830 (2013)
Truck Traffic10%
Lanes On Bridge10
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number010205

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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