US Bridges

Grant Road over Brichta Wash

Good

Pima County, Arizona · 0.1 MI E Silverbell RD · Structure no. 09872

Built
1979
46 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
24,583
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Grant Road over Brichta Wash is a concrete continuous culvert carrying Grant Road over Brichta Wash in Pima County, Arizona. It was built in 1979, so it is 46 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 24,583 vehicles a day, roughly 10% of them trucks, projected to reach 24,593 by 2040. The structure is 21 ft (6.4 m) long and 93 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGrant Road
CrossesBrichta Wash
Location0.1 MI E Silverbell RD
RouteCity Street 0
StateArizona
Coordinates32.2506, -111.0119
Functional classUrban Minor 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 inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width93 ft (28.3 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic24,583 (2020)
Projected traffic24,593 by 2040
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Brichta Wash built?

It was built in 1979, making it 46 years old in 2025.

What condition is Grant Road over Brichta 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 August 2021.

How much traffic does Grant Road over Brichta Wash carry?

About 24,583 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Grant Road over Brichta Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 93 ft wide.

Who owns Grant Road over Brichta Wash?

It is owned by the City or Municipal Highway Agency.