US Bridges

Cow Bayou RD over Cow Bayou

Fair

Madison Parish, Louisiana · 0.7 MI S of US 80 · Structure no. 053332268912771

Built
1992
33 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
146 ft
8 main spans
Daily traffic
130
1979 count
Owner
County
County Highway Agency

About this bridge

Cow Bayou RD over Cow Bayou is a concrete slab carrying Cow Bayou RD over Cow Bayou in Madison Parish, Louisiana. It was built in 1992, so it is 33 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 5 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 130 vehicles a day, projected to reach 143 by 1999. The structure is 146 ft (44.5 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCow Bayou RD
CrossesCow Bayou
Location0.7 MI S of US 80
RouteCounty Highway 0
CountyMadison Parish
StateLouisiana
Coordinates32.4464, -91.46017
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.2 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (1979)
Projected traffic143 by 1999
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 Cow Bayou RD over Cow Bayou built?

It was built in 1992, making it 33 years old in 2025.

What condition is Cow Bayou RD over Cow 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 April 2023.

How much traffic does Cow Bayou RD over Cow Bayou carry?

About 130 vehicles per day (1979 count).

How long is Cow Bayou RD over Cow Bayou?

The structure is 146 ft (44.5 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Cow Bayou RD over Cow Bayou?

It is owned by the County Highway Agency.