Structure 15821 · Madison County, AL

I-565; Alt US 72 over N/s R.r / City Streets

Carries I-565; Alt US 72 over N/s R.r / City Streets, 1.3 Mi E Jct I565 * Sr53.

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 overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
12,839 FT OVERALL2,500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

12,839 ft end to end, longest span 221 ft: about 36 football fields, or 2.4 miles. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built199135 years old
Length12838.9 ft3913.3 m
Daily traffic98,210counted 2020
Last inspectedApril 2024every 24 months

Location

StateAlabama
CountyMadison
Location1.3 Mi E Jct I565 * Sr53
CarriesI-565; Alt US 72
CrossesN/s R.r / City Streets
Coordinates34.72667, -86.60667

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length12838.9 ft (3913.3 m)
Max Span221.1 ft (67.4 m)
Deck Width42.7 ft (13 m)
Deck Area50872.9 sq m
Main Spans48
Year Built1991

Traffic

Avg Daily Traffic98,210 (2020)
Truck Traffic7%
Lanes On Bridge3
Lanes Under Bridge64

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number015821

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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