US Bridges

Wildcow Bayou RD over Cocodrie Bayou

Fair

Concordia Parish, Louisiana · Logmi 3.60 E from HWY 129 · Structure no. 581531208914381

Built
1984
41 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
230 ft
11 main spans
Daily traffic
110
1978 count
Owner
County
County Highway Agency

About this bridge

Wildcow Bayou RD over Cocodrie Bayou is a prestressed concrete stringer/multi-beam or girder carrying Wildcow Bayou RD over Cocodrie Bayou in Concordia Parish, Louisiana. It was built in 1984, so it is 41 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 110 vehicles a day, projected to reach 121 by 1998. The structure is 230 ft (70.1 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesWildcow Bayou RD
CrossesCocodrie Bayou
LocationLogmi 3.60 E from HWY 129
RouteCounty Highway 0
CountyConcordia Parish
StateLouisiana
Coordinates31.3476, -91.72882
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (1978)
Projected traffic121 by 1998
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 Wildcow Bayou RD over Cocodrie Bayou built?

It was built in 1984, making it 41 years old in 2025.

What condition is Wildcow Bayou RD over Cocodrie 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 March 2024.

How much traffic does Wildcow Bayou RD over Cocodrie Bayou carry?

About 110 vehicles per day (1978 count).

How long is Wildcow Bayou RD over Cocodrie Bayou?

The structure is 230 ft (70.1 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns Wildcow Bayou RD over Cocodrie Bayou?

It is owned by the County Highway Agency.