US Bridges

LA0360 over Bayou Rouge

Good

St. Landry Parish, Louisiana · 4.1 Mi. N. of LA 10 · Structure no. 034900000030522

Built
2022
3 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
280 ft
7 main spans
Daily traffic
1,000
2021 count
Owner
State
State Highway Agency

About this bridge

LA0360 over Bayou Rouge is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0360 over Bayou Rouge in St. Landry Parish, Louisiana. It was built in 2022, so it is 3 years old, younger than the Louisiana average of 43 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 1,000 vehicles a day, roughly 17% of them trucks, projected to reach 1,100 by 2041. The structure is 280 ft (85.3 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesLA0360
CrossesBayou Rouge
Location4.1 Mi. N. of LA 10
RouteState Highway 360
CountySt. Landry Parish
StateLouisiana
Coordinates30.7593, -91.85114
Functional classRural Minor 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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating63.2 US tons
Inventory rating47.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadGreater than HL 93
Structure length280 ft (85.3 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2021)
Projected traffic1,100 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA0360 over Bayou Rouge built?

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

What condition is LA0360 over Bayou Rouge 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 May 2024.

How much traffic does LA0360 over Bayou Rouge carry?

About 1,000 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA0360 over Bayou Rouge?

The structure is 280 ft (85.3 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns LA0360 over Bayou Rouge?

It is owned by the State Highway Agency.