US Bridges

Leblanc RD over Creek

FairPosted for load

Tangipahoa Parish, Louisiana · 6 MI NE of SR 22 Exi · Structure no. 625330268902191

Built
1974
51 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
3 main spans
Daily traffic
4
2019 count
Owner
County
County Highway Agency

About this bridge

Leblanc RD over Creek is a wood or timber stringer/multi-beam or girder carrying Leblanc RD over Creek in Tangipahoa Parish, Louisiana. It was built in 1974, so it is 51 years old, older 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. Its operating status is: posted for load restriction.

It carries about 4 vehicles a day, projected to reach 4 by 2039. The structure is 39 ft (11.9 m) long and 19 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesLeblanc RD
CrossesCreek
Location6 MI NE of SR 22 Exi
RouteCounty Highway 0
CountyTangipahoa Parish
StateLouisiana
Coordinates30.44691, -90.36524
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
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.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.8 US tons
Inventory rating17.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 10
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width19 ft (5.7 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4 (2019)
Projected traffic4 by 2039
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$163,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Leblanc RD over Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Leblanc RD over 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 June 2023.

How much traffic does Leblanc RD over Creek carry?

About 4 vehicles per day (2019 count).

How long is Leblanc RD over Creek?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 19 ft wide.

Who owns Leblanc RD over Creek?

It is owned by the County Highway Agency.