US Bridges

LA1183 over Turner Canal

Good

Avoyelles Parish, Louisiana · 1.02 M N of LA 105 · Structure no. 080500000080696

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
175
2021 count
Owner
State
State Highway Agency

About this bridge

LA1183 over Turner Canal is a concrete slab carrying LA1183 over Turner Canal in Avoyelles Parish, Louisiana. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 175 vehicles a day, projected to reach 192 by 2041. The structure is 100 ft (30.5 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA1183
CrossesTurner Canal
Location1.02 M N of LA 105
RouteState Highway 1183
CountyAvoyelles Parish
StateLouisiana
Coordinates30.92629, -91.82868
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating68.9 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadGreater than HL 93
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2021)
Projected traffic192 by 2041
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

OwnerState Highway Agency
Maintained byState 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 LA1183 over Turner Canal built?

It was built in 2023, making it 2 years old in 2025.

What condition is LA1183 over Turner Canal 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 October 2023.

How much traffic does LA1183 over Turner Canal carry?

About 175 vehicles per day (2021 count).

How long is LA1183 over Turner Canal?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns LA1183 over Turner Canal?

It is owned by the State Highway Agency.