US Bridges

Houghton Road over Wash

Good

Pima County, Arizona · 100 Ft N of JCT Rita RD · Structure no. 08931

Built
1981
44 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
16,416
2022 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 1981, so it is 44 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 16,416 vehicles a day, roughly 10% of them trucks, projected to reach 16,426 by 2042. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHoughton Road
CrossesWash
Location100 Ft N of JCT Rita RD
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.10306, -110.77275
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 2023
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 alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,416 (2022)
Projected traffic16,426 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Houghton Road over Wash built?

It was built in 1981, making it 44 years old in 2025.

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 2023.

How much traffic does Houghton Road over Wash carry?

About 16,416 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Houghton Road over Wash?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns Houghton Road over Wash?

It is owned by the City or Municipal Highway Agency.