US Bridges

Bentley DR over White Bayou

PoorPosted for load

East Baton Rouge Parish, Louisiana · 1.4M W of Int LA 67 · Structure no. 611730310913531

Built
1970
55 years old
Condition
Poor
inspected January 2024
Type
Slab
Concrete
Length
190 ft
10 main spans
Daily traffic
2,210
2019 count
Owner
County
County Highway Agency

About this bridge

Bentley DR over White Bayou is a concrete slab carrying Bentley DR over White Bayou in East Baton Rouge Parish, Louisiana. It was built in 1970, so it is 55 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 2,210 vehicles a day, projected to reach 2,431 by 2039. The structure is 190 ft (57.9 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBentley DR
CrossesWhite Bayou
Location1.4M W of Int LA 67
RouteCounty Highway 0
Coordinates30.59372, -91.14276
Functional classUrban 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans10
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,210 (2019)
Projected traffic2,431 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$600,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bentley DR over White Bayou built?

It was built in 1970, making it 55 years old in 2025.

What condition is Bentley DR over White 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 January 2024.

How much traffic does Bentley DR over White Bayou carry?

About 2,210 vehicles per day (2019 count).

How long is Bentley DR over White Bayou?

The structure is 190 ft (57.9 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns Bentley DR over White Bayou?

It is owned by the County Highway Agency.