Structure 40801220102701 · Bossier County, LA

La0164 over Clarke Bayou Rel

Carries La0164 over Clarke Bayou Rel, .18 Mi East Of La 614.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT161 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

161 ft end to end, longest span 40 ft: about 2 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 tee-beam bridge.

Built194383 years old
Length161.1 ft49.1 m
Daily traffic3,472counted 2021
Last inspectedNovember 2023every 24 months

Location

StateLouisiana
CountyBossier
Location.18 Mi East Of La 614
CarriesLa0164
CrossesClarke Bayou Rel
Coordinates32.53447, -93.46740

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length161.1 ft (49.1 m)
Max Span40.0 ft (12.2 m)
Deck Width31.2 ft (9.5 m)
Deck Area466.4 sq m
Main Spans4
Year Built1943

Traffic

Avg Daily Traffic3,472 (2021)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number040801220102701

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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