US Bridges

Floodgate Crossing over Bayou Des Glaises

GoodPosted for load

Avoyelles Parish, Louisiana · App. 0.10 M. E. of LA 451 · Structure no. 080531061915181

Built
1960
65 years old
Condition
Good
inspected February 2023
Type
Tee Beam
Concrete
Length
75 ft
2 main spans
Daily traffic
260
2020 count
Owner
County
County Highway Agency

About this bridge

Floodgate Crossing over Bayou Des Glaises is a concrete tee beam carrying Floodgate Crossing over Bayou Des Glaises in Avoyelles Parish, Louisiana. It was built in 1960, so it is 65 years old, older 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. Its operating status is: posted for load restriction.

It carries about 260 vehicles a day, projected to reach 286 by 2040. The structure is 75 ft (22.9 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFloodgate Crossing
CrossesBayou Des Glaises
LocationApp. 0.10 M. E. of LA 451
RouteCounty Highway 0
CountyAvoyelles Parish
StateLouisiana
Coordinates31.10014, -91.8643
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating23.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span36 ft (11 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2020)
Projected traffic286 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$273,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Floodgate Crossing over Bayou Des Glaises built?

It was built in 1960, making it 65 years old in 2025.

What condition is Floodgate Crossing over Bayou Des Glaises 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 February 2023.

How much traffic does Floodgate Crossing over Bayou Des Glaises carry?

About 260 vehicles per day (2020 count).

How long is Floodgate Crossing over Bayou Des Glaises?

The structure is 75 ft (22.9 m) long with a longest span of 36 ft (11 m) and a deck 20 ft wide.

Who owns Floodgate Crossing over Bayou Des Glaises?

It is owned by the County Highway Agency.