US Bridges

Boynton Pass RD over Dry Creek

Fair

Yavapai County, Arizona · 2.8 MI N JCT 89A · Structure no. 10731

Built
2004
21 years old
Condition
Fair
inspected August 2023
Type
Frame
Concrete
Length
74 ft
2 main spans
Daily traffic
2,218
2021 count
Owner
County
County Highway Agency

About this bridge

Boynton Pass RD over Dry Creek is a concrete frame carrying Boynton Pass RD over Dry Creek in Yavapai County, Arizona. It was built in 2004, so it is 21 years old, younger 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 6 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 2,218 vehicles a day, roughly 5% of them trucks, projected to reach 2,228 by 2041. The structure is 74 ft (22.6 m) long and 40 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesBoynton Pass RD
CrossesDry Creek
Location2.8 MI N JCT 89A
RouteCounty Highway 0
CountyYavapai County
StateArizona
Coordinates34.8981, -111.8285
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81 US tons
Inventory rating48 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span35 ft (10.7 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,218 (2021)
Projected traffic2,228 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Boynton Pass RD over Dry Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Boynton Pass RD over Dry 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 Boynton Pass RD over Dry Creek carry?

About 2,218 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Boynton Pass RD over Dry Creek?

The structure is 74 ft (22.6 m) long with a longest span of 35 ft (10.7 m) and a deck 40 ft wide.

Who owns Boynton Pass RD over Dry Creek?

It is owned by the County Highway Agency.