US Bridges

Pleasant RD over Four Mile Bayou

Fair

Bienville Parish, Louisiana · 1.8 MI N.E. of LA 4 · Structure no. 040732194931341

Built
1986
39 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Pleasant RD over Four Mile Bayou is a concrete slab carrying Pleasant RD over Four Mile Bayou in Bienville Parish, Louisiana. It was built in 1986, so it is 39 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 70 vehicles a day, projected to reach 77 by 2040. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesPleasant RD
CrossesFour Mile Bayou
Location1.8 MI N.E. of LA 4
RouteCounty Highway 0
CountyBienville Parish
StateLouisiana
Coordinates32.32467, -93.22296
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 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 traffic70 (2020)
Projected traffic77 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Pleasant RD over Four Mile Bayou built?

It was built in 1986, making it 39 years old in 2025.

What condition is Pleasant RD over Four Mile Bayou 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 May 2023.

How much traffic does Pleasant RD over Four Mile Bayou carry?

About 70 vehicles per day (2020 count).

How long is Pleasant RD over Four Mile Bayou?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Pleasant RD over Four Mile Bayou?

It is owned by the County Highway Agency.