US Bridges

Danna RD over Ponchatoula Creek

Fair

Tangipahoa Parish, Louisiana · .9MI.S.1063ONALESS.RD.NEW · Structure no. 625330371903061

Built
1998
27 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
545
2020 count
Owner
County
County Highway Agency

About this bridge

Danna RD over Ponchatoula Creek is a concrete slab carrying Danna RD over Ponchatoula Creek in Tangipahoa Parish, Louisiana. It was built in 1998, so it is 27 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 545 vehicles a day, projected to reach 599 by 2040. The structure is 95 ft (29 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDanna RD
CrossesPonchatoula Creek
Location.9MI.S.1063ONALESS.RD.NEW
RouteCounty Highway 0
Coordinates30.61871, -90.50855
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic545 (2020)
Projected traffic599 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Danna RD over Ponchatoula Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Danna 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 April 2023.

How much traffic does Danna RD over Ponchatoula Creek carry?

About 545 vehicles per day (2020 count).

How long is Danna RD over Ponchatoula Creek?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Danna RD over Ponchatoula Creek?

It is owned by the County Highway Agency.