US Bridges

Thigpen RD over Bogalusa Creek

FairPosted for load

Washington Parish, Louisiana · .94 MI W of HWY 45 · Structure no. 625930501900211

Built
1999
26 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
50 ft
3 main spans
Daily traffic
469
2020 count
Owner
County
County Highway Agency

About this bridge

Thigpen RD over Bogalusa Creek is a wood or timber stringer/multi-beam or girder carrying Thigpen RD over Bogalusa Creek in Washington Parish, Louisiana. It was built in 1999, so it is 26 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. Its operating status is: posted for load restriction.

It carries about 469 vehicles a day, projected to reach 515 by 2040. The structure is 50 ft (15.2 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesThigpen RD
CrossesBogalusa Creek
Location.94 MI W of HWY 45
RouteCounty Highway 0
CountyWashington Parish
StateLouisiana
Coordinates30.83286, -90.01981
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.
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 inspectionFebruary 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17 US tons
Inventory rating12 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 10
Structure length50 ft (15.2 m)
Longest span17 ft (5.2 m)
Deck width23 ft (7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic469 (2020)
Projected traffic515 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$198,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Thigpen RD over Bogalusa Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Thigpen RD over Bogalusa 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 February 2024.

How much traffic does Thigpen RD over Bogalusa Creek carry?

About 469 vehicles per day (2020 count).

How long is Thigpen RD over Bogalusa Creek?

The structure is 50 ft (15.2 m) long with a longest span of 17 ft (5.2 m) and a deck 23 ft wide.

Who owns Thigpen RD over Bogalusa Creek?

It is owned by the County Highway Agency.