US Bridges

Roller Rd. over Bayou Blanc

Good

Acadia Parish, Louisiana · 0.5 MI S US90 · Structure no. 030130115922331

Built
2004
21 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
384
2020 count
Owner
County
County Highway Agency

About this bridge

Roller Rd. over Bayou Blanc is a concrete slab carrying Roller Rd. over Bayou Blanc in Acadia 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 384 vehicles a day, projected to reach 422 by 2040. The structure is 160 ft (48.8 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRoller Rd.
CrossesBayou Blanc
Location0.5 MI S US90
RouteCounty Highway 0
Coordinates30.1929, -92.38808
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 inspectionJuly 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 rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadHS 20
Structure length160 ft (48.8 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 traffic384 (2020)
Projected traffic422 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Roller Rd. over Bayou Blanc built?

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

What condition is Roller Rd. over Bayou Blanc 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 July 2024.

How much traffic does Roller Rd. over Bayou Blanc carry?

About 384 vehicles per day (2020 count).

How long is Roller Rd. over Bayou Blanc?

The structure is 160 ft (48.8 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Roller Rd. over Bayou Blanc?

It is owned by the County Highway Agency.