US Bridges

Off Highway 27 over Roadside Canal

Fair

Cameron Parish, Louisiana · Pools 1A/1B · Structure no. 000043640-00109

Built
1985
40 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
71 ft
3 main spans
Daily traffic
58
2023 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Off Highway 27 over Roadside Canal is a concrete slab carrying Off Highway 27 over Roadside Canal in Cameron Parish, Louisiana. It was built in 1985, so it is 40 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 58 vehicles a day, projected to reach 80 by 2043. The structure is 71 ft (21.6 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesOff Highway 27
CrossesRoadside Canal
LocationPools 1A/1B
RouteFederal Lands Road 0
CountyCameron Parish
StateLouisiana
Coordinates29.87883, -93.4255
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span23 ft (7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic58 (2023)
Projected traffic80 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
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 Off Highway 27 over Roadside Canal built?

It was built in 1985, making it 40 years old in 2025.

What condition is Off Highway 27 over Roadside Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Off Highway 27 over Roadside Canal carry?

About 58 vehicles per day (2023 count).

How long is Off Highway 27 over Roadside Canal?

The structure is 71 ft (21.6 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns Off Highway 27 over Roadside Canal?

It is owned by the Bureau of Fish and Wildlife.