US Bridges

SR 366 over Noon Creek

Good

Graham County, Arizona · 7.2 MI SW JCT US 191 · Structure no. 07285

Built
2012
13 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
105
2021 count
Owner
State
State Highway Agency

About this bridge

SR 366 over Noon Creek is a concrete culvert carrying SR 366 over Noon Creek in Graham County, Arizona. It was built in 2012, so it is 13 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 105 vehicles a day, roughly 9% of them trucks, projected to reach 115 by 2041. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 366
CrossesNoon Creek
Location7.2 MI SW JCT US 191
RouteState Highway 366
StateArizona
Coordinates32.66746, -109.79698
Functional classRural Major Collector

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 inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2021)
Projected traffic115 by 2041
Trucks9%
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

OwnerState Highway Agency
Maintained byState 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 SR 366 over Noon Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is SR 366 over Noon Creek 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 July 2023.

How much traffic does SR 366 over Noon Creek carry?

About 105 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is SR 366 over Noon Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns SR 366 over Noon Creek?

It is owned by the State Highway Agency.