US Bridges

Silverleaf Ave over Roberts Canal

Good

East Baton Rouge Parish, Louisiana · 0.43 MI NE of US 61 · Structure no. 611700000610398

Built
2018
7 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
15,670
2019 count
Owner
County
County Highway Agency

About this bridge

Silverleaf Ave over Roberts Canal is a concrete slab carrying Silverleaf Ave over Roberts Canal in East Baton Rouge Parish, Louisiana. It was built in 2018, so it is 7 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 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 15,670 vehicles a day, roughly 1% of them trucks, projected to reach 17,237 by 2039. The structure is 80 ft (24.4 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSilverleaf Ave
CrossesRoberts Canal
Location0.43 MI NE of US 61
RouteCounty Highway 0
Coordinates30.50607, -91.1254
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadGreater than HL 93
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,670 (2019)
Projected traffic17,237 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Silverleaf Ave over Roberts Canal built?

It was built in 2018, making it 7 years old in 2025.

What condition is Silverleaf Ave over Roberts 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 December 2023.

How much traffic does Silverleaf Ave over Roberts Canal carry?

About 15,670 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Silverleaf Ave over Roberts Canal?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns Silverleaf Ave over Roberts Canal?

It is owned by the County Highway Agency.