Structure 612404500700725 · Iberville County, LA

I0010 over I-10 Ramp

Carries I0010 over I-10 Ramp, 0.1 M E Of La 975.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT253 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 8/9

253 ft end to end, longest span 66 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.

Built197254 years old
Length253.0 ft77.1 m
Daily traffic557counted 2021
Last inspectedSeptember 2023every 24 months

Location

StateLouisiana
CountyIberville
Location0.1 M E Of La 975
CarriesI0010
CrossesI-10 Ramp
Coordinates30.36746, -91.62896

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length253.0 ft (77.1 m)
Max Span65.9 ft (20.1 m)
Deck Width24.0 ft (7.3 m)
Deck Area562.8 sq m
Main Spans4
Year Built1972

Traffic

Avg Daily Traffic557 (2021)
Truck Traffic28%
Lanes On Bridge1

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number612404500700725

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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