US Bridges

Evangeline RD over Prong Bayou

Good

Evangeline Parish, Louisiana · 1.15 MI S of Agate RD · Structure no. 032000000200097

Built
2013
12 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
45
2021 count
Owner
County
County Highway Agency

About this bridge

Evangeline RD over Prong Bayou is a concrete slab carrying Evangeline RD over Prong Bayou in Evangeline Parish, Louisiana. It was built in 2013, so it is 12 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 45 vehicles a day, projected to reach 49 by 2041. The structure is 140 ft (42.7 m) long and 27 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesEvangeline RD
CrossesProng Bayou
Location1.15 MI S of Agate RD
RouteCounty Highway 0
Coordinates30.88992, -92.57071
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length140 ft (42.7 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 traffic45 (2021)
Projected traffic49 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Evangeline RD over Prong Bayou built?

It was built in 2013, making it 12 years old in 2025.

What condition is Evangeline RD over Prong 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 Evangeline RD over Prong Bayou carry?

About 45 vehicles per day (2021 count).

How long is Evangeline RD over Prong Bayou?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Evangeline RD over Prong Bayou?

It is owned by the County Highway Agency.