US Bridges

Osborn Road over Indian Bend Wash

Good

Maricopa County, Arizona · 0.2 MI West of Hayden RD · Structure no. 09651

Built
1979
46 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
12,210
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Osborn Road over Indian Bend Wash is a concrete continuous culvert carrying Osborn Road over Indian Bend Wash in Maricopa County, Arizona. It was built in 1979, so it is 46 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 12,210 vehicles a day, roughly 5% of them trucks, projected to reach 12,220 by 2042. The structure is 21 ft (6.4 m) long and 95 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesOsborn Road
CrossesIndian Bend Wash
Location0.2 MI West of Hayden RD
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.48698, -111.91267
Functional classUrban Collector

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 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width95 ft (29 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,210 (2024)
Projected traffic12,220 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 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 Osborn Road over Indian Bend Wash built?

It was built in 1979, making it 46 years old in 2025.

What condition is Osborn Road over Indian Bend Wash 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 2024.

How much traffic does Osborn Road over Indian Bend Wash carry?

About 12,210 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Osborn Road over Indian Bend Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 95 ft wide.

Who owns Osborn Road over Indian Bend Wash?

It is owned by the City or Municipal Highway Agency.