US Bridges

LA1100 over Canal

Good

Acadia Parish, Louisiana · 1.2 MI North of LA 98 · Structure no. 030103890201201

Built
1976
49 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
198
2021 count
Owner
State
State Highway Agency

About this bridge

LA1100 over Canal is a concrete culvert carrying LA1100 over Canal in Acadia Parish, Louisiana. It was built in 1976, so it is 49 years old, older 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 198 vehicles a day, roughly 15% of them trucks, projected to reach 217 by 2041. The structure is 22 ft (6.7 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA1100
CrossesCanal
Location1.2 MI North of LA 98
RouteState Highway 1100
Coordinates30.31679, -92.2071
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span7 ft (2.1 m)
Deck width73 ft (22.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic198 (2021)
Projected traffic217 by 2041
Trucks15%
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 LA1100 over Canal built?

It was built in 1976, making it 49 years old in 2025.

What condition is LA1100 over 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 November 2023.

How much traffic does LA1100 over Canal carry?

About 198 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA1100 over Canal?

The structure is 22 ft (6.7 m) long with a longest span of 7 ft (2.1 m) and a deck 73 ft wide.

Who owns LA1100 over Canal?

It is owned by the State Highway Agency.