Structure 616104500812107 · West Baton Rouge County, LA

I0010 over EB Ramp To La1 SB

Carries I0010 over EB Ramp To La1 SB, 1.9 M E Of La 415.

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 FT630 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

630 ft end to end: about 1.7 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, so those are drawn as typical for a multi-beam bridge.

Built196858 years old
Length629.9 ft192 m
Daily traffic4,035counted 2021
Last inspectedMay 2023every 24 months

Location

StateLouisiana
CountyWest Baton Rouge
Location1.9 M E Of La 415
CarriesI0010
CrossesEB Ramp To La1 SB
Coordinates30.44017, -91.21207

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length629.9 ft (192 m)
Deck Width25.6 ft (7.8 m)
Deck Area1497.6 sq m
Year Built1968

Traffic

Avg Daily Traffic4,035 (2021)
Truck Traffic9%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number616104500812107

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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