US Bridges

LA0621 over Goudine Bayou

Good

Ascension Parish, Louisiana · 0.9 M E of LA 73 · Structure no. 610300000000124

Built
2019
6 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
7,519
2021 count
Owner
State
State Highway Agency

About this bridge

LA0621 over Goudine Bayou is a concrete slab carrying LA0621 over Goudine Bayou in Ascension Parish, Louisiana. It was built in 2019, so it is 6 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 7,519 vehicles a day, projected to reach 8,270 by 2041. The structure is 60 ft (18.3 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLA0621
CrossesGoudine Bayou
Location0.9 M E of LA 73
RouteState Highway 621
CountyAscension Parish
StateLouisiana
Coordinates30.26919, -90.9686
Functional classUrban Minor Arterial

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 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 alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating60.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadGreater than HL 93
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,519 (2021)
Projected traffic8,270 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 LA0621 over Goudine Bayou built?

It was built in 2019, making it 6 years old in 2025.

What condition is LA0621 over Goudine 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 June 2023.

How much traffic does LA0621 over Goudine Bayou carry?

About 7,519 vehicles per day (2021 count).

How long is LA0621 over Goudine Bayou?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns LA0621 over Goudine Bayou?

It is owned by the State Highway Agency.