Structure 41604550711831 · De Soto County, LA

Power Plant RD over I-49

Carries Power Plant RD over I-49, 1.3 Mi S Of US 84 Intr..

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT280 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

280 ft end to end, longest span 140 ft: about 4 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 box-beam bridge.

Built198739 years old
Length279.9 ft85.3 m
Daily traffic1,460counted 2015
Last inspectedJune 2024every 24 months

Location

StateLouisiana
CountyDe Soto
Location1.3 Mi S Of US 84 Intr.
CarriesPower Plant RD
CrossesI-49
Coordinates32.04712, -93.54950

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length279.9 ft (85.3 m)
Max Span140.1 ft (42.7 m)
Deck Width30.8 ft (9.4 m)
Deck Area801.8 sq m
Main Spans2
Year Built1987

Traffic

Avg Daily Traffic1,460 (2015)
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number041604550711831

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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