Structure 611708173000601 · East Baton Rouge County, LA

Old Baker Rd. over Drain

Carries Old Baker Rd. over Drain, La 1209.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck7/9 · Good
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9Substructure 4/9 · sets the rating

28 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.

Built196363 years old
Length27.9 ft8.5 m
Daily traffic2,717counted 2023
Last inspectedMay 2023every 12 months

Location

StateLouisiana
CountyEast Baton Rouge
LocationLa 1209
CarriesOld Baker Rd.
CrossesDrain
Coordinates30.64393, -91.16000

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length27.9 ft (8.5 m)
Max Span27.9 ft (8.5 m)
Deck Width24.0 ft (7.3 m)
Deck Area62.0 sq m
Main Spans1
Year Built1963

Traffic

Avg Daily Traffic2,717 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 12 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number611708173000601

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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