US Bridges

Grant Road over Rosehill Wash

Good

Pima County, Arizona · 0.2 MI W JCT Wilmot RD · Structure no. 09776

Built
1977
48 years old, rebuilt 1984
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
57 ft
4 main spans
Daily traffic
44,594
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Grant Road over Rosehill Wash is a concrete continuous culvert carrying Grant Road over Rosehill Wash in Pima County, Arizona. It was built in 1977 and reconstructed in 1984, 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 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 44,594 vehicles a day, roughly 5% of them trucks, projected to reach 44,604 by 2042. The structure is 57 ft (17.4 m) long and 120 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesGrant Road
CrossesRosehill Wash
Location0.2 MI W JCT Wilmot RD
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.25067, -110.86217
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 inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span10 ft (3 m)
Deck width120 ft (36.6 m)
Roadway width90 ft (27.3 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic44,594 (2022)
Projected traffic44,604 by 2042
Trucks5%
Lanes on structure7
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 Grant Road over Rosehill Wash built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 1984.

What condition is Grant Road over Rosehill 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 March 2023.

How much traffic does Grant Road over Rosehill Wash carry?

About 44,594 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Grant Road over Rosehill Wash?

The structure is 57 ft (17.4 m) long with a longest span of 10 ft (3 m) and a deck 120 ft wide.

Who owns Grant Road over Rosehill Wash?

It is owned by the City or Municipal Highway Agency.