Structure 19726 · Mobile County, AL

Lott Rd_seabury_tr over SR 158

Carries Lott Rd_seabury_tr over SR 158, Sr158 And Lott RD.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,520 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

2,520 ft end to end, longest span 150 ft: about 7.0 football fields. 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.

Built20224 years old
Length2520.0 ft768.1 m
Daily traffic4,000counted 2022
Last inspectedMay 2024every 24 months

Location

StateAlabama
CountyMobile
LocationSr158 And Lott RD
CarriesLott Rd_seabury_tr
CrossesSR 158
Coordinates30.80397, -88.25342

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length2520.0 ft (768.1 m)
Max Span149.9 ft (45.7 m)
Deck Width46.3 ft (14.1 m)
Deck Area10830.2 sq m
Main Spans18
Year Built2022

Traffic

Avg Daily Traffic4,000 (2022)
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number019726

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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