Structure 19377 · Mobile County, AL

Mcvay Drive over Bolton Branch

Carries Mcvay Drive over Bolton Branch, 300 West Of Navco RD.

Overall conditionFair

Set by its lowest-rated component: Culvert at 5 of 9.

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT62 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 62 ft across with 4 openings. 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, so those are drawn as typical for a culvert.

Built200125 years old
Length62.0 ft18.9 m
Daily traffic13,287counted 2024
Last inspectedJanuary 2024every 24 months

Location

StateAlabama
CountyMobile
Location300 West Of Navco RD
CarriesMcvay Drive
CrossesBolton Branch
Coordinates30.64583, -88.10306

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length62.0 ft (18.9 m)
Max Span12.1 ft (3.7 m)
Deck Area253.3 sq m
Main Spans4
Year Built2001

Traffic

Avg Daily Traffic13,287 (2024)
Truck Traffic4%
Lanes On Bridge5

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number019377

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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