Structure 70600240307171 · Beauregard County, LA

Us0171 over Mp Rr & US 190

Carries Us0171 over Mp Rr & US 190, Us171 Over Us190 @ Ragley.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,197 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

1,197 ft end to end, longest span 90 ft: about 3.3 football fields. 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.

Built200125 years old
Length1196.9 ft364.8 m
Daily traffic5,610counted 2023
Last inspectedApril 2024every 24 months

Location

StateLouisiana
CountyBeauregard
LocationUs171 Over Us190 @ Ragley
CarriesUs0171
CrossesMp Rr & US 190
Coordinates30.50789, -93.23250

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length1196.9 ft (364.8 m)
Max Span89.9 ft (27.4 m)
Deck Width43.3 ft (13.2 m)
Deck Area4815.4 sq m
Main Spans17
Year Built2001

Traffic

Avg Daily Traffic5,610 (2023)
Truck Traffic16%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number070600240307171

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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