Structure 10704 · Montgomery County, AL

I65 Sbl over Al.river Relief No.7

Carries I65 Sbl over Al.river Relief No.7, 2.8 Mi.of Al.river.

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT408 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

408 ft end to end, longest span 34 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 tee-beam bridge.

Built197254 years old
Length408.1 ft124.4 m
Daily traffic40,620counted 2013
Last inspectedJune 2023every 24 months

Location

StateAlabama
CountyMontgomery
Location2.8 Mi.of Al.river
CarriesI65 Sbl
CrossesAl.river Relief No.7
Coordinates32.41084, -86.34844

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length408.1 ft (124.4 m)
Max Span34.1 ft (10.4 m)
Deck Width125.7 ft (38.3 m)
Deck Area4764.5 sq m
Main Spans12
Year Built1972

Traffic

Avg Daily Traffic40,620 (2013)
Truck Traffic14%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number010704

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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