US Bridges

US0061 over Baton Rouge Bayou

Good

East Baton Rouge Parish, Louisiana · US 61 · Structure no. 611700190205371

Built
1979
46 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
16,910
2021 count
Owner
State
State Highway Agency

About this bridge

US0061 over Baton Rouge Bayou is a prestressed concrete continuous stringer/multi-beam or girder carrying US0061 over Baton Rouge Bayou in East Baton Rouge Parish, Louisiana. It was built in 1979, so it is 46 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,910 vehicles a day, roughly 9% of them trucks, projected to reach 18,601 by 2041. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS0061
CrossesBaton Rouge Bayou
LocationUS 61
RouteU.S. Route 61
Coordinates30.59318, -91.21948
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating83 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,910 (2021)
Projected traffic18,601 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US0061 over Baton Rouge Bayou built?

It was built in 1979, making it 46 years old in 2025.

What condition is US0061 over Baton Rouge Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does US0061 over Baton Rouge Bayou carry?

About 16,910 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is US0061 over Baton Rouge Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns US0061 over Baton Rouge Bayou?

It is owned by the State Highway Agency.