Structure 40932234934791 · Caddo County, LA

Baird Road over Summer Grove Ditch

Carries Baird Road over Summer Grove Ditch, 0.9 Mi. East Of US 171.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT50 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

50 ft end to end. 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 multi-beam bridge.

Built200323 years old
Length49.9 ft15.2 m
Daily traffic4,720counted 2019
Last inspectedApril 2023every 24 months

Location

StateLouisiana
CountyCaddo
Location0.9 Mi. East Of US 171
CarriesBaird Road
CrossesSummer Grove Ditch
Coordinates32.39054, -93.79889

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length49.9 ft (15.2 m)
Max Span49.9 ft (15.2 m)
Deck Width40.0 ft (12.2 m)
Deck Area185.4 sq m
Main Spans1
Year Built2003

Traffic

Avg Daily Traffic4,720 (2019)
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical9 — Foundation above flood level
Structure Number040932234934791

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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