US Bridges

Dudley RD over Parc Perdu Bayou

Good

Vermilion Parish, Louisiana · 0.9 MI N of Germain RD · Structure no. 035730021915991

Built
2011
14 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
966
2021 count
Owner
County
County Highway Agency

About this bridge

Dudley RD over Parc Perdu Bayou is a concrete slab carrying Dudley RD over Parc Perdu Bayou in Vermilion Parish, Louisiana. It was built in 2011, so it is 14 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 966 vehicles a day, projected to reach 1,062 by 2041. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDudley RD
CrossesParc Perdu Bayou
Location0.9 MI N of Germain RD
RouteCounty Highway 0
Coordinates30.03399, -91.99798
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
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 alignment6: Equal to present minimum criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 10
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic966 (2021)
Projected traffic1,062 by 2041
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dudley RD over Parc Perdu Bayou built?

It was built in 2011, making it 14 years old in 2025.

What condition is Dudley RD over Parc Perdu 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 September 2023.

How much traffic does Dudley RD over Parc Perdu Bayou carry?

About 966 vehicles per day (2021 count).

How long is Dudley RD over Parc Perdu Bayou?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Dudley RD over Parc Perdu Bayou?

It is owned by the County Highway Agency.