US Bridges

Houghton Road over Tanque Verde Creek

Fair

Pima County, Arizona · 0.1 MI N JCT Speedway Bl · Structure no. 07760

Built
1989
36 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,100 ft
11 main spans
Daily traffic
12,959
2022 count
Owner
County
County Highway Agency

About this bridge

Houghton Road over Tanque Verde Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Houghton Road over Tanque Verde Creek in Pima County, Arizona. It was built in 1989, so it is 36 years old, younger 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 12,959 vehicles a day, roughly 8% of them trucks, projected to reach 12,969 by 2042. The structure is 1,100 ft (335.3 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHoughton Road
CrossesTanque Verde Creek
Location0.1 MI N JCT Speedway Bl
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.2369, -110.7727
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length1,100 ft (335.3 m)
Longest span100 ft (30.5 m)
Deck width50 ft (15.2 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,959 (2022)
Projected traffic12,969 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Tanque Verde Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Houghton Road over Tanque Verde Creek 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 December 2024.

How much traffic does Houghton Road over Tanque Verde Creek carry?

About 12,959 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Houghton Road over Tanque Verde Creek?

The structure is 1,100 ft (335.3 m) long with a longest span of 100 ft (30.5 m) and a deck 50 ft wide.

Who owns Houghton Road over Tanque Verde Creek?

It is owned by the County Highway Agency.