US Bridges

Blanchard Road over East Lacassine Bayou

PoorPosted for load

Jefferson Davis Parish, Louisiana · 3.1 MI W. of LA 395 · Structure no. 072730175924771

Built
1965
60 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
40
2019 count
Owner
County
County Highway Agency

About this bridge

Blanchard Road over East Lacassine Bayou is a wood or timber stringer/multi-beam or girder carrying Blanchard Road over East Lacassine Bayou in Jefferson Davis Parish, Louisiana. It was built in 1965, so it is 60 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, projected to reach 44 by 2039. The structure is 39 ft (11.9 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBlanchard Road
CrossesEast Lacassine Bayou
Location3.1 MI W. of LA 395
RouteCounty Highway 0
Coordinates30.29092, -92.79263
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, 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 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating26.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 20
Structure length39 ft (11.9 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2019)
Projected traffic44 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Blanchard Road over East Lacassine Bayou built?

It was built in 1965, making it 60 years old in 2025.

What condition is Blanchard Road over East Lacassine Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Blanchard Road over East Lacassine Bayou carry?

About 40 vehicles per day (2019 count).

How long is Blanchard Road over East Lacassine Bayou?

The structure is 39 ft (11.9 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns Blanchard Road over East Lacassine Bayou?

It is owned by the County Highway Agency.