US Bridges

Mormon Lake Road over Fulton Canyon

Good

Coconino County, Arizona · 1.1 MI W JCT Lake Mary RD · Structure no. 09264

Built
1968
57 years old
Condition
Good
inspected July 2022
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

Mormon Lake Road over Fulton Canyon is a concrete continuous culvert carrying Mormon Lake Road over Fulton Canyon in Coconino County, Arizona. It was built in 1968, so it is 57 years old, older 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 500 vehicles a day, roughly 2% of them trucks, projected to reach 510 by 2042. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesMormon Lake Road
CrossesFulton Canyon
Location1.1 MI W JCT Lake Mary RD
RouteCounty Highway 0
StateArizona
Coordinates34.905, -111.455
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 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating75.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic510 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Mormon Lake Road over Fulton Canyon built?

It was built in 1968, making it 57 years old in 2025.

What condition is Mormon Lake Road over Fulton Canyon 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 2022.

How much traffic does Mormon Lake Road over Fulton Canyon carry?

About 500 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Mormon Lake Road over Fulton Canyon?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Mormon Lake Road over Fulton Canyon?

It is owned by the County Highway Agency.