US Bridges

Carleton ST over Granite Creek

FairPosted for load

Yavapai County, Arizona · 3/4 Blk W of Montezuma ST · Structure no. 08701

Built
1940
85 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
68 ft
2 main spans
Daily traffic
950
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Carleton ST over Granite Creek is a concrete tee beam carrying Carleton ST over Granite Creek in Yavapai County, Arizona. It was built in 1940, so it is 85 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. Its operating status is: posted for load restriction.

It carries about 950 vehicles a day, roughly 5% of them trucks, projected to reach 960 by 2039. The structure is 68 ft (20.7 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCarleton ST
CrossesGranite Creek
Location3/4 Blk W of Montezuma ST
RouteCity Street 0
CountyYavapai County
StateArizona
Coordinates34.5378, -112.4713
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15 US tons
Inventory rating9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length68 ft (20.7 m)
Longest span34 ft (10.4 m)
Deck width33 ft (10.1 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic950 (2019)
Projected traffic960 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Carleton ST over Granite Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Carleton 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 Carleton ST over Granite Creek carry?

About 950 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Carleton ST over Granite Creek?

The structure is 68 ft (20.7 m) long with a longest span of 34 ft (10.4 m) and a deck 33 ft wide.

Who owns Carleton ST over Granite Creek?

It is owned by the City or Municipal Highway Agency.