US Bridges

Sonnier Rd. over Creek

Good

Acadia Parish, Louisiana · 1.8 Mi. West of LA 95 · Structure no. 030100000200440

Built
2012
13 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
48
2022 count
Owner
County
County Highway Agency

About this bridge

Sonnier Rd. over Creek is a concrete slab carrying Sonnier Rd. over Creek in Acadia Parish, Louisiana. It was built in 2012, so it is 13 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 48 vehicles a day, projected to reach 52 by 2042. The structure is 120 ft (36.6 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSonnier Rd.
CrossesCreek
Location1.8 Mi. West of LA 95
RouteCounty Highway 0
Coordinates30.41689, -92.26154
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 protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48 (2022)
Projected traffic52 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Sonnier Rd. over Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Sonnier Rd. over Creek 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 Sonnier Rd. over Creek carry?

About 48 vehicles per day (2022 count).

How long is Sonnier Rd. over Creek?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Sonnier Rd. over Creek?

It is owned by the County Highway Agency.