Structure 611700071000001 · East Baton Rouge County, LA

Us0190 over Mississippi River

Carries Us0190 over Mississippi River, 1.1 Mi W Of US 61.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 3 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating3/9 · Serious
Substructure5/9 · Fair
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
5,879 FT OVERALL1,000 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 3/9 · sets the ratingSubstructure 5/9

5,879 ft end to end, longest span 748 ft: about 16 football fields, or 1.1 miles. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 through truss.

Built1939rebuilt 1989
Length5878.9 ft1791.9 m
Daily traffic18,380counted 2021
Last inspectedFebruary 2024every 12 months

Location

StateLouisiana
CountyEast Baton Rouge
Location1.1 Mi W Of US 61
CarriesUs0190
CrossesMississippi River
Coordinates30.50722, -91.19028

Physical Characteristics

MaterialSteel Continuous
DesignTruss - Thru
Total Length5878.9 ft (1791.9 m)
Max Span748.0 ft (228 m)
Deck Width87.9 ft (26.8 m)
Deck Area48022.9 sq m
Main Spans5
Year Built1939 (reconstructed 1989)

Traffic

Avg Daily Traffic18,380 (2021)
Truck Traffic9%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number611700071000001

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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