US Bridges

Arleen RD over Saunders Bayou

Poor

East Baton Rouge Parish, Louisiana · 0.5 MI W of LA 410 · Structure no. 611730376910461

Built
1969
56 years old
Condition
Poor
inspected June 2023
Type
Slab
Concrete
Length
78 ft
4 main spans
Daily traffic
721
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Arleen RD over Saunders Bayou is a concrete slab carrying Arleen RD over Saunders 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 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.

It carries about 721 vehicles a day, projected to reach 793 by 2043. The structure is 78 ft (23.8 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesArleen RD
CrossesSaunders Bayou
Location0.5 MI W of LA 410
RouteCounty Highway 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.62577, -91.07867
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic721 (2023)
Projected traffic793 by 2043
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$280,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Arleen RD over Saunders Bayou built?

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

What condition is Arleen RD over Saunders 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 2023.

How much traffic does Arleen RD over Saunders Bayou carry?

About 721 vehicles per day (2023 count).

How long is Arleen RD over Saunders Bayou?

The structure is 78 ft (23.8 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns Arleen RD over Saunders Bayou?

It is owned by the City or Municipal Highway Agency.