US Bridges

Lorraine Road over Lacassine Bayou

FairPosted for load

Calcasieu Parish, Louisiana · 2.0 MI East of LA 101 · Structure no. 071030078925451

Built
2004
21 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
211 ft
11 main spans
Daily traffic
20
2021 count
Owner
County
County Highway Agency

About this bridge

Lorraine Road over Lacassine Bayou is a wood or timber stringer/multi-beam or girder carrying Lorraine Road over Lacassine Bayou in Calcasieu 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 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 22 by 2041. The structure is 211 ft (64.3 m) long and 26 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

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CarriesLorraine Road
CrossesLacassine Bayou
Location2.0 MI East of LA 101
RouteCounty Highway 0
CountyCalcasieu Parish
StateLouisiana
Coordinates30.13002, -92.90771
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating56.3 US tons
Inventory rating41.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans11
Design loadHS 20
Structure length211 ft (64.3 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2021)
Projected traffic22 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Lorraine Road over Lacassine Bayou built?

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

What condition is Lorraine Road over Lacassine Bayou 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 November 2023.

How much traffic does Lorraine Road over Lacassine Bayou carry?

About 20 vehicles per day (2021 count).

How long is Lorraine Road over Lacassine Bayou?

The structure is 211 ft (64.3 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns Lorraine Road over Lacassine Bayou?

It is owned by the County Highway Agency.