Structure 40700000040706 · Bienville County, LA

La 154 over Morrow Branch

Carries La 154 over Morrow Branch, 8.0 Mi. E. Of La 157.

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
CAR · 15 FT60 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

60 ft end to end, longest span 20 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a slab bridge.

Built20224 years old
Length60.0 ft18.3 m
Daily traffic1,559counted 2021
Last inspectedJanuary 2025every 48 months

Location

StateLouisiana
CountyBienville
Location8.0 Mi. E. Of La 157
CarriesLa 154
CrossesMorrow Branch
Coordinates32.30820, -93.39580

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length60.0 ft (18.3 m)
Max Span20.0 ft (6.1 m)
Deck Width35.1 ft (10.7 m)
Deck Area195.8 sq m
Main Spans3
Year Built2022

Traffic

Avg Daily Traffic1,559 (2021)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number040700000040706

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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