US Bridges

Ridgel RD over Ponchatoula Creek

Fair

Tangipahoa Parish, Louisiana · 1.2MI Sjct LA442/RIDGE/RD · Structure no. 625330339902701

Built
1997
28 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
234
2022 count
Owner
County
County Highway Agency

About this bridge

Ridgel RD over Ponchatoula Creek is a steel stringer/multi-beam or girder carrying Ridgel RD over Ponchatoula Creek in Tangipahoa Parish, Louisiana. It was built in 1997, so it is 28 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 234 vehicles a day, projected to reach 257 by 2042. The structure is 45 ft (13.7 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRidgel RD
CrossesPonchatoula Creek
Location1.2MI Sjct LA442/RIDGE/RD
RouteCounty Highway 0
CountyTangipahoa Parish
StateLouisiana
Coordinates30.56665, -90.45238
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span45 ft (13.7 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic234 (2022)
Projected traffic257 by 2042
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$181,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ridgel RD over Ponchatoula Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Ridgel 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 Ridgel RD over Ponchatoula Creek carry?

About 234 vehicles per day (2022 count).

How long is Ridgel RD over Ponchatoula Creek?

The structure is 45 ft (13.7 m) long with a longest span of 45 ft (13.7 m) and a deck 19 ft wide.

Who owns Ridgel RD over Ponchatoula Creek?

It is owned by the County Highway Agency.