US Bridges

Wildcow RD over Cocodrie Bayou

Poor

Concordia Parish, Louisiana · Log MI 2.55 SE of HWY 129 · Structure no. 581531214914431

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

About this bridge

Wildcow RD over Cocodrie Bayou is a prestressed concrete stringer/multi-beam or girder carrying Wildcow 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 110 vehicles a day, projected to reach 121 by 1998. The structure is 310 ft (94.5 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWildcow RD
CrossesCocodrie Bayou
LocationLog MI 2.55 SE of HWY 129
RouteCounty Highway 0
Coordinates31.35641, -91.73992
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20
Structure length310 ft (94.5 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 RD over Cocodrie Bayou built?

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

What condition is Wildcow RD over Cocodrie Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Wildcow RD over Cocodrie Bayou carry?

About 110 vehicles per day (1978 count).

How long is Wildcow RD over Cocodrie Bayou?

The structure is 310 ft (94.5 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns Wildcow RD over Cocodrie Bayou?

It is owned by the County Highway Agency.