US Bridges

Navy Rd. over Duralde Bayou

Good

Evangeline Parish, Louisiana · 0.50 MI N of LA 374 · Structure no. 032030346922871

Built
2004
21 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
110
2022 count
Owner
County
County Highway Agency

About this bridge

Navy Rd. over Duralde Bayou is a concrete slab carrying Navy Rd. over Duralde Bayou in Evangeline Parish, Louisiana. It was built in 2004, so it is 21 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 110 vehicles a day, projected to reach 121 by 2042. The structure is 60 ft (18.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNavy Rd.
CrossesDuralde Bayou
Location0.50 MI N of LA 374
RouteCounty Highway 0
Coordinates30.57525, -92.47914
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 protection8 Very GoodNo problems noted.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2022)
Projected traffic121 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Navy Rd. over Duralde Bayou built?

It was built in 2004, making it 21 years old in 2025.

What condition is Navy Rd. over Duralde 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 Navy Rd. over Duralde Bayou carry?

About 110 vehicles per day (2022 count).

How long is Navy Rd. over Duralde Bayou?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Navy Rd. over Duralde Bayou?

It is owned by the County Highway Agency.