US Bridges

Houghton Road over Wash

Good

Pima County, Arizona · 1.9 MI N JCT I-10 · Structure no. 09562

Built
1962
63 years old, rebuilt 2009
Condition
Good
inspected November 2021
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
16,129
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Houghton Road over Wash is a concrete continuous culvert carrying Houghton Road over Wash in Pima County, Arizona. It was built in 1962 and reconstructed in 2009, so it is 63 years old, older 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 16,129 vehicles a day, roughly 7% of them trucks, projected to reach 16,139 by 2040. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHoughton Road
CrossesWash
Location1.9 MI N JCT I-10
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.0894, -110.7727
Functional classUrban Other Principal Arterial

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 rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,129 (2020)
Projected traffic16,139 by 2040
Trucks7%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Houghton Road over Wash built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2009.

What condition is Houghton Road over 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 Houghton Road over Wash carry?

About 16,129 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Houghton Road over Wash?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Houghton Road over Wash?

It is owned by the City or Municipal Highway Agency.