US Bridges

Dwyer Blvd over Benson Canal

Good

Orleans Parish, Louisiana · 1.- Mi. S. of 1-10 · Structure no. 023600000020509

Built
1992
33 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
—
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dwyer Blvd over Benson Canal is a concrete culvert carrying Dwyer Blvd over Benson Canal in Orleans Parish, Louisiana. It was built in 1992, so it is 33 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.

No traffic count is recorded. The structure is 25 ft (7.6 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDwyer Blvd
CrossesBenson Canal
Location1.- Mi. S. of 1-10
RouteCounty Highway 0
Coordinates30.02461, -89.98547
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width76 ft (23.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Dwyer Blvd over Benson Canal built?

It was built in 1992, making it 33 years old in 2025.

What condition is Dwyer Blvd over Benson 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 March 2023.

How much traffic does Dwyer Blvd over Benson Canal carry?

No traffic count is recorded for this structure.

How long is Dwyer Blvd over Benson Canal?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m) and a deck 76 ft wide.

Who owns Dwyer Blvd over Benson Canal?

It is owned by the City or Municipal Highway Agency.