Structure 625300000620306 · Tangipahoa County, LA

Stafford RD over Canal

Carries Stafford RD over Canal, 0.70 Miles North Of La. 1.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
25 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 25 ft across with 4 openings. 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, so those are drawn as typical for a culvert.

Built201511 years old
Length24.9 ft7.6 m
Daily traffic1,708counted 2020
Last inspectedJuly 2023every 24 months

Location

StateLouisiana
CountyTangipahoa
Location0.70 Miles North Of La. 1
CarriesStafford RD
CrossesCanal
Coordinates30.55442, -90.51666

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length24.9 ft (7.6 m)
Max Span5.9 ft (1.8 m)
Deck Width49.9 ft (15.2 m)
Deck Area115.5 sq m
Main Spans4
Year Built2015

Traffic

Avg Daily Traffic1,708 (2020)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number625300000620306

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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