US Bridges

Leroux ST over Granite Creek

Fair

Yavapai County, Arizona · 394 Ft W JCT SR 89 · Structure no. 11147

Built
1960
65 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
26 ft
4 main spans
Daily traffic
1,060
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Leroux ST over Granite Creek is a concrete continuous culvert carrying Leroux ST over Granite Creek in Yavapai County, Arizona. It was built in 1960, so it is 65 years old, older 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 5 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 1,060 vehicles a day, roughly 5% of them trucks, projected to reach 1,070 by 2040. The structure is 26 ft (7.9 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLeroux ST
CrossesGranite Creek
Location394 Ft W JCT SR 89
RouteCity Street 0
CountyYavapai County
StateArizona
Coordinates34.534, -112.4717
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans4
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span6 ft (1.8 m)
Deck width36 ft (11 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic1,060 (2020)
Projected traffic1,070 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Leroux ST over Granite Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Leroux ST over Granite 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 August 2023.

How much traffic does Leroux ST over Granite Creek carry?

About 1,060 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Leroux ST over Granite Creek?

The structure is 26 ft (7.9 m) long with a longest span of 6 ft (1.8 m) and a deck 36 ft wide.

Who owns Leroux ST over Granite Creek?

It is owned by the City or Municipal Highway Agency.