Structure 611704501000735 · East Baton Rouge County, LA

I0010 over S.10th St. On Ramp

Carries I0010 over S.10th St. On Ramp, I0010.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT287 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

287 ft end to end, longest span 52 ft: about 4 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.

Built196363 years old
Length287.1 ft87.5 m
Daily traffic8,250counted 2021
Last inspectedOctober 2024every 24 months

Location

StateLouisiana
CountyEast Baton Rouge
LocationI0010
CarriesI0010
CrossesS.10th St. On Ramp
Coordinates30.44008, -91.17882

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length287.1 ft (87.5 m)
Max Span51.5 ft (15.7 m)
Deck Width22.6 ft (6.9 m)
Deck Area603.8 sq m
Main Spans7
Year Built1963

Traffic

Avg Daily Traffic8,250 (2021)
Truck Traffic9%
Lanes On Bridge1
Lanes Under Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number611704501000735

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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