US Bridges

W. Black Cat RD over Ponchatoula Creek

Fair

Tangipahoa Parish, Louisiana · Black Cat Road · Structure no. 625330364902981

Built
1992
33 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
873
2020 count
Owner
County
County Highway Agency

About this bridge

W. Black Cat RD over Ponchatoula Creek is a concrete slab carrying W. Black Cat RD over Ponchatoula Creek in Tangipahoa 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 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 873 vehicles a day, projected to reach 960 by 2040. The structure is 76 ft (23.2 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesW. Black Cat RD
CrossesPonchatoula Creek
LocationBlack Cat Road
RouteCounty Highway 0
Coordinates30.60672, -90.49734
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 inspectionMay 2023
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 alignment7: Better than present minimum criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic873 (2020)
Projected traffic960 by 2040
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 W. Black Cat RD over Ponchatoula Creek built?

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

What condition is W. Black Cat RD over Ponchatoula Creek 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 May 2023.

How much traffic does W. Black Cat RD over Ponchatoula Creek carry?

About 873 vehicles per day (2020 count).

How long is W. Black Cat RD over Ponchatoula Creek?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns W. Black Cat RD over Ponchatoula Creek?

It is owned by the County Highway Agency.