Structure 34902190701931 · St. Landry County, LA

La0010 over State Canal

Carries La0010 over State Canal, 1.50 Mi West Of La 105.

Overall conditionPoor

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

How ratings work
Decksets the rating3/9 · Serious
Superstructuresets the rating3/9 · Serious
Substructure5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT209 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 3/9 · sets the ratingSuperstructure 3/9 · sets the ratingSubstructure 5/9

209 ft end to end, longest span 19 ft: about 3 semi-trucks nose to tail. 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 slab bridge.

Built195868 years old
Length209.0 ft63.7 m
Daily traffic708counted 2021
Last inspectedJune 2024every 12 months

Location

StateLouisiana
CountySt. Landry
Location1.50 Mi West Of La 105
CarriesLa0010
CrossesState Canal
Coordinates30.69276, -91.76744

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length209.0 ft (63.7 m)
Max Span19.0 ft (5.8 m)
Deck Width27.6 ft (8.4 m)
Deck Area535.1 sq m
Main Spans11
Year Built1958

Traffic

Avg Daily Traffic708 (2021)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number034902190701931

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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