US Bridges

LA0935 over Narcisse Bayou

Good

Ascension Parish, Louisiana · 0.1 MI East of LA 44 · Structure no. 610300000610374

Built
2018
7 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
4,835
2021 count
Owner
State
State Highway Agency

About this bridge

LA0935 over Narcisse Bayou is a concrete slab carrying LA0935 over Narcisse Bayou in Ascension Parish, Louisiana. It was built in 2018, so it is 7 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,835 vehicles a day, projected to reach 5,318 by 2041. The structure is 80 ft (24.4 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0935
CrossesNarcisse Bayou
Location0.1 MI East of LA 44
RouteState Highway 935
CountyAscension Parish
StateLouisiana
Coordinates30.24735, -90.91841
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating60.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadGreater than HL 93
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width35 ft (10.6 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,835 (2021)
Projected traffic5,318 by 2041
Trucks—
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

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 LA0935 over Narcisse Bayou built?

It was built in 2018, making it 7 years old in 2025.

What condition is LA0935 over Narcisse Bayou 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 April 2024.

How much traffic does LA0935 over Narcisse Bayou carry?

About 4,835 vehicles per day (2021 count).

How long is LA0935 over Narcisse Bayou?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 35 ft wide.

Who owns LA0935 over Narcisse Bayou?

It is owned by the State Highway Agency.