US Bridges

Greenwell ST over Roberts Canal

Good

East Baton Rouge Parish, Louisiana · 1.5 MI E of Airline HWY · Structure no. 611700000610381

Built
2017
8 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
5,952
2023 count
Owner
County
County Highway Agency

About this bridge

Greenwell ST over Roberts Canal is a concrete slab carrying Greenwell ST over Roberts Canal in East Baton Rouge Parish, Louisiana. It was built in 2017, so it is 8 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 5,952 vehicles a day, roughly 12% of them trucks, projected to reach 6,547 by 2043. The structure is 120 ft (36.6 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGreenwell ST
CrossesRoberts Canal
Location1.5 MI E of Airline HWY
RouteCity Street 0
Coordinates30.50196, -91.10497
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
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 rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,952 (2023)
Projected traffic6,547 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Greenwell ST over Roberts Canal built?

It was built in 2017, making it 8 years old in 2025.

What condition is Greenwell ST 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 January 2024.

How much traffic does Greenwell ST over Roberts Canal carry?

About 5,952 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Greenwell ST over Roberts Canal?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 44 ft wide.

Who owns Greenwell ST over Roberts Canal?

It is owned by the County Highway Agency.