US Bridges

Bayou RD over Murphy Canal

Good

Jefferson Parish, Louisiana · 0.01 Mi. E. of LA 3017 · Structure no. 022600000022608

Built
2020
5 years old
Condition
Good
inspected January 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
400
2023 count
Owner
County
County Highway Agency

About this bridge

Bayou RD over Murphy Canal is a concrete slab carrying Bayou RD over Murphy Canal in Jefferson Parish, Louisiana. It was built in 2020, so it is 5 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 400 vehicles a day, projected to reach 440 by 2043. The structure is 95 ft (29 m) long and 25 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBayou RD
CrossesMurphy Canal
Location0.01 Mi. E. of LA 3017
RouteCounty Highway 0
Coordinates29.83897, -90.0533
Functional classRural Local

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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic440 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Bayou RD over Murphy Canal built?

It was built in 2020, making it 5 years old in 2025.

What condition is Bayou RD over Murphy Canal 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 January 2023.

How much traffic does Bayou RD over Murphy Canal carry?

About 400 vehicles per day (2023 count).

How long is Bayou RD over Murphy Canal?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Bayou RD over Murphy Canal?

It is owned by the County Highway Agency.