US Bridges

Fdr 226 over Bar M Canyon

Fair

Coconino County, Arizona · 6 MI Sw/O Mormon Lake · Structure no. 030405000003307

Built
1959
66 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
52 ft
1 main span
Daily traffic
200
2021 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 226 over Bar M Canyon is a concrete tee beam carrying Fdr 226 over Bar M Canyon in Coconino County, Arizona. It was built in 1959, so it is 66 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.

It carries about 200 vehicles a day, roughly 5% of them trucks, projected to reach 299 by 2040. The structure is 52 ft (15.8 m) long and 16 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesFdr 226
CrossesBar M Canyon
Location6 MI Sw/O Mormon Lake
RouteFederal Lands Road 226
CountyCoconino County
StateArizona
Coordinates34.88219, -111.56775
Functional classRural 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic299 by 2040
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$420,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 226 over Bar M Canyon built?

It was built in 1959, making it 66 years old in 2025.

What condition is Fdr 226 over Bar M Canyon 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 July 2023.

How much traffic does Fdr 226 over Bar M Canyon carry?

About 200 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Fdr 226 over Bar M Canyon?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 16 ft wide.

Who owns Fdr 226 over Bar M Canyon?

It is owned by the U.S. Forest Service.