Structure 623204540201902 · Livingston County, LA

I0012 over La 3002

Carries I0012 over La 3002, I0012.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT199 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

199 ft end to end, longest span 87 ft: about 3 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 multi-beam bridge.

Built1970rebuilt 2012
Length199.1 ft60.7 m
Daily traffic37,161counted 2021
Last inspectedFebruary 2024every 24 months

Location

StateLouisiana
CountyLivingston
LocationI0012
CarriesI0012
CrossesLa 3002
Coordinates30.45518, -90.95620

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length199.1 ft (60.7 m)
Max Span86.9 ft (26.5 m)
Deck Width64.6 ft (19.7 m)
Deck Area1195.8 sq m
Main Spans3
Year Built1970 (reconstructed 2012)

Traffic

Avg Daily Traffic37,161 (2021)
Truck Traffic26%
Lanes On Bridge3
Lanes Under Bridge5

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number623204540201902

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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