US Bridges

Cottonwood LN over Cottonwood Creek Cma

Good

Maricopa County, Arizona · 2 MI Se/ Castle Hot Spr · Structure no. 10062

Built
1996
29 years old
Condition
Good
inspected December 2022
Type
Culvert
Steel
Length
65 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

Cottonwood LN over Cottonwood Creek Cma is a steel culvert carrying Cottonwood LN over Cottonwood Creek Cma in Maricopa County, Arizona. It was built in 1996, so it is 29 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 110 by 2042. The structure is 65 ft (19.8 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCottonwood LN
CrossesCottonwood Creek Cma
Location2 MI Se/ Castle Hot Spr
RouteCounty Highway 0
StateArizona
Coordinates33.90089, -112.31822
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 36 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 alignment6: Equal to present minimum criteria
Operating rating43 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span21 ft (6.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic110 by 2042
Trucks1%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cottonwood LN over Cottonwood Creek Cma built?

It was built in 1996, making it 29 years old in 2025.

What condition is Cottonwood LN over Cottonwood Creek Cma 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 December 2022.

How much traffic does Cottonwood LN over Cottonwood Creek Cma carry?

About 100 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Cottonwood LN over Cottonwood Creek Cma?

The structure is 65 ft (19.8 m) long with a longest span of 21 ft (6.4 m) and a deck 28 ft wide.

Who owns Cottonwood LN over Cottonwood Creek Cma?

It is owned by the County Highway Agency.