US Bridges

Louise Street over West Prong Bayou Casotte

Good

Jackson County, Mississippi · Sec 8 T 8S R 5W · Structure no. SA300000000A134

Built
2022
3 years old
Condition
Good
inspected June 2024
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
600
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Louise Street over West Prong Bayou Casotte is a concrete channel beam carrying Louise Street over West Prong Bayou Casotte in Jackson County, Mississippi. It was built in 2022, so it is 3 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 600 vehicles a day, roughly 10% of them trucks, projected to reach 1,000 by 2044. The structure is 93 ft (28.3 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLouise Street
CrossesWest Prong Bayou Casotte
LocationSec 8 T 8S R 5W
RouteCity Street 539
Coordinates30.36657, -88.51343
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2024)
Projected traffic1,000 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Louise Street over West Prong Bayou Casotte built?

It was built in 2022, making it 3 years old in 2025.

What condition is Louise Street over West Prong Bayou Casotte in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Louise Street over West Prong Bayou Casotte carry?

About 600 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Louise Street over West Prong Bayou Casotte?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Louise Street over West Prong Bayou Casotte?

It is owned by the City or Municipal Highway Agency.