US Bridges

Invergordon Road over Indian Bend Wash

Fair

Maricopa County, Arizona · 0.3 MI S Double Tree RD · Structure no. 09712

Built
1977
48 years old
Condition
Fair
inspected July 2022
Type
Culvert
Concrete Continuous
Length
108 ft
7 main spans
Daily traffic
5,934
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Invergordon Road over Indian Bend Wash is a concrete continuous culvert carrying Invergordon Road over Indian Bend Wash in Maricopa County, Arizona. It was built in 1977, so it is 48 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,934 vehicles a day, roughly 5% of them trucks, projected to reach 5,944 by 2040. The structure is 108 ft (32.9 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesInvergordon Road
CrossesIndian Bend Wash
Location0.3 MI S Double Tree RD
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.5626, -111.9434
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum 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 spans7
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span10 ft (3 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,934 (2020)
Projected traffic5,944 by 2040
Trucks5%
Lanes on structure2
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Invergordon Road over Indian Bend Wash built?

It was built in 1977, making it 48 years old in 2025.

What condition is Invergordon Road over Indian Bend Wash in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2022.

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

About 5,934 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Invergordon Road over Indian Bend Wash?

The structure is 108 ft (32.9 m) long with a longest span of 10 ft (3 m) and a deck 48 ft wide.

Who owns Invergordon Road over Indian Bend Wash?

It is owned by the Town or Township Highway Agency.