US Bridges

Prescott RD over Drainage Bayou

Fair

East Baton Rouge Parish, Louisiana · 0.1 M E of US 61 · Structure no. 611730294910701

Built
1969
56 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
5,400
2019 count
Owner
County
County Highway Agency

About this bridge

Prescott RD over Drainage Bayou is a concrete culvert carrying Prescott RD over Drainage Bayou in East Baton Rouge Parish, Louisiana. It was built in 1969, so it is 56 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 6 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 5,400 vehicles a day, projected to reach 5,940 by 2039. The structure is 21 ft (6.4 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesPrescott RD
CrossesDrainage Bayou
Location0.1 M E of US 61
RouteCounty Highway 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.48852, -91.11923
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width52 ft (15.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2019)
Projected traffic5,940 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$111,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Prescott RD over Drainage Bayou built?

It was built in 1969, making it 56 years old in 2025.

What condition is Prescott RD over Drainage 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 July 2023.

How much traffic does Prescott RD over Drainage Bayou carry?

About 5,400 vehicles per day (2019 count).

How long is Prescott RD over Drainage Bayou?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 52 ft wide.

Who owns Prescott RD over Drainage Bayou?

It is owned by the County Highway Agency.