US Bridges

SR 51 over Indian Bend Wash

Good

Maricopa County, Arizona · 0.1 MI N Thunderbird Rd. · Structure no. 07032

Built
1995
30 years old
Condition
Good
inspected November 2021
Type
Culvert
Concrete Continuous
Length
49 ft
2 main spans
Daily traffic
111,681
2016 count
Owner
State
State Highway Agency

About this bridge

SR 51 over Indian Bend Wash is a concrete continuous culvert carrying SR 51 over Indian Bend Wash in Maricopa County, Arizona. It was built in 1995, so it is 30 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 111,681 vehicles a day, roughly 7% of them trucks, projected to reach 111,691 by 2036. The structure is 49 ft (14.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 51
CrossesIndian Bend Wash
Location0.1 MI N Thunderbird Rd.
RouteState Highway 51
StateArizona
Coordinates33.6132, -112.0096
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic111,681 (2016)
Projected traffic111,691 by 2036
Trucks7%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 51 over Indian Bend Wash built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR 51 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 November 2021.

How much traffic does SR 51 over Indian Bend Wash carry?

About 111,681 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is SR 51 over Indian Bend Wash?

The structure is 49 ft (14.9 m) long with a longest span of 28 ft (8.5 m).

Who owns SR 51 over Indian Bend Wash?

It is owned by the State Highway Agency.