US Bridges

S Frontage RD over Wash

Good

Pima County, Arizona · 17.0 MI N JCT I 19 · Structure no. 06772

Built
1967
58 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
130
2024 count
Owner
State
State Highway Agency

About this bridge

S Frontage RD over Wash is a concrete continuous culvert carrying S Frontage RD over Wash in Pima County, Arizona. It was built in 1967, so it is 58 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 130 vehicles a day, roughly 20% of them trucks, projected to reach 140 by 2042. The structure is 24 ft (7.3 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS Frontage RD
CrossesWash
Location17.0 MI N JCT I 19
RouteState Highway 10
StateArizona
Coordinates32.4006, -111.1292
Functional classRural Major Collector

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 inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span8 ft (2.4 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2024)
Projected traffic140 by 2042
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 S Frontage RD over Wash built?

It was built in 1967, making it 58 years old in 2025.

What condition is S Frontage RD 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 September 2024.

How much traffic does S Frontage RD over Wash carry?

About 130 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is S Frontage RD over Wash?

The structure is 24 ft (7.3 m) long with a longest span of 8 ft (2.4 m) and a deck 38 ft wide.

Who owns S Frontage RD over Wash?

It is owned by the State Highway Agency.