Structure 10798 · Jackson County, AL

Co RT 145 over Branch

Carries Co RT 145 over Branch, 3.6mi NW SR 79.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck7/9 · Good
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
24 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9Substructure 4/9 · sets the rating

24 ft end to end. 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 channel-beam bridge.

Built197254 years old
Length24.0 ft7.3 m
Daily traffic45counted 1989
Last inspectedDecember 2023every 24 months

Location

StateAlabama
CountyJackson
Location3.6mi NW SR 79
CarriesCo RT 145
CrossesBranch
Coordinates34.74405, -86.13692

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length24.0 ft (7.3 m)
Max Span24.0 ft (7.3 m)
Deck Width23.6 ft (7.2 m)
Deck Area52.6 sq m
Main Spans1
Year Built1972

Traffic

Avg Daily Traffic45 (1989)
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number010798

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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