US Bridges

Larkspur DR over Channel

Good

Maricopa County, Arizona · E of 90th ST · Structure no. 11229

Built
1994
31 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
24 ft
3 main spans
Daily traffic
5,100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Larkspur DR over Channel is a concrete continuous culvert carrying Larkspur DR over Channel in Maricopa County, Arizona. It was built in 1994, so it is 31 years old, younger than the Arizona average of 47.8 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 5,100 vehicles a day, projected to reach 5,110 by 2042. The structure is 24 ft (7.3 m) long and 50 ft wide.

Location

Open in Google Maps
CarriesLarkspur DR
CrossesChannel
LocationE of 90th ST
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.60278, -111.88333
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span8 ft (2.4 m)
Deck width50 ft (15.2 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2022)
Projected traffic5,110 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Larkspur DR over Channel built?

It was built in 1994, making it 31 years old in 2025.

What condition is Larkspur DR over Channel 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 Larkspur DR over Channel carry?

About 5,100 vehicles per day (2022 count).

How long is Larkspur DR over Channel?

The structure is 24 ft (7.3 m) long with a longest span of 8 ft (2.4 m) and a deck 50 ft wide.

Who owns Larkspur DR over Channel?

It is owned by the City or Municipal Highway Agency.