US Bridges

US 61 over Comite Diversion Canal

Good

East Baton Rouge Parish, Louisiana · 2.0 Mi. S of LA 64 · Structure no. 611700000000052

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
350 ft
5 main spans
Daily traffic
9,721
2021 count
Owner
State
State Highway Agency

About this bridge

US 61 over Comite Diversion Canal is a concrete continuous stringer/multi-beam or girder carrying US 61 over Comite Diversion Canal in East Baton Rouge Parish, Louisiana. It was built in 2022, so it is 3 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,721 vehicles a day, roughly 14% of them trucks, projected to reach 10,693 by 2041. The structure is 350 ft (106.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 61
CrossesComite Diversion Canal
Location2.0 Mi. S of LA 64
RouteU.S. Route 61
Coordinates30.61981, -91.23381
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadGreater than HL 93
Structure length350 ft (106.7 m)
Longest span70 ft (21.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,721 (2021)
Projected traffic10,693 by 2041
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 61 over Comite Diversion Canal built?

It was built in 2022, making it 3 years old in 2025.

What condition is US 61 over Comite Diversion Canal 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 October 2024.

How much traffic does US 61 over Comite Diversion Canal carry?

About 9,721 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US 61 over Comite Diversion Canal?

The structure is 350 ft (106.7 m) long with a longest span of 70 ft (21.3 m) and a deck 43 ft wide.

Who owns US 61 over Comite Diversion Canal?

It is owned by the State Highway Agency.