US Bridges

Crowe RD over Lyon Bayou

Fair

West Carroll Parish, Louisiana · West Carroll Parish · Structure no. 056232499912271

Built
1990
35 years old
Condition
Fair
inspected February 2023
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
112
2019 count
Owner
County
County Highway Agency

About this bridge

Crowe RD over Lyon Bayou is a steel culvert carrying Crowe RD over Lyon Bayou in West Carroll Parish, Louisiana. It was built in 1990, so it is 35 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 112 vehicles a day, projected to reach 123 by 2039. The structure is 23 ft (7 m) long and 60 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesCrowe RD
CrossesLyon Bayou
LocationWest Carroll Parish
RouteCounty Highway 0
CountyWest Carroll Parish
StateLouisiana
Coordinates32.83138, -91.37721
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating55 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span9 ft (2.7 m)
Deck width60 ft (18.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2019)
Projected traffic123 by 2039
Trucks—
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

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 Crowe RD over Lyon Bayou built?

It was built in 1990, making it 35 years old in 2025.

What condition is Crowe RD over Lyon 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 February 2023.

How much traffic does Crowe RD over Lyon Bayou carry?

About 112 vehicles per day (2019 count).

How long is Crowe RD over Lyon Bayou?

The structure is 23 ft (7 m) long with a longest span of 9 ft (2.7 m) and a deck 60 ft wide.

Who owns Crowe RD over Lyon Bayou?

It is owned by the County Highway Agency.