Structure 13642 · Lawrence County, AL

Co RT 593 over Big Nance Creek

Carries Co RT 593 over Big Nance Creek, 2 Mi. S. Of Terrytown.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 3 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating3/9 · Serious
Substructure5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT108 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 3/9 · sets the ratingSubstructure 5/9

108 ft end to end. Lengths and the car 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 through truss.

Built198541 years old
Length107.9 ft32.9 m
Daily traffic75counted 2008
Last inspectedJanuary 2025every 24 months

Location

StateAlabama
CountyLawrence
Location2 Mi. S. Of Terrytown
CarriesCo RT 593
CrossesBig Nance Creek
Coordinates34.59900, -87.33561

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length107.9 ft (32.9 m)
Max Span75.1 ft (22.9 m)
Deck Width14.1 ft (4.3 m)
Deck Area141.5 sq m
Main Spans1
Year Built1985

Traffic

Avg Daily Traffic75 (2008)
Lanes On Bridge1

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number013642

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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