US Bridges

FSR 240 over Casner Draw

Fair

Coconino County, Arizona · 2.9 MI Se/O Munds Park · Structure no. 030405000004501

Built
1957
68 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
100
2021 count
Owner
Federal
U.S. Forest Service

About this bridge

FSR 240 over Casner Draw is a concrete slab carrying FSR 240 over Casner Draw in Coconino County, Arizona. It was built in 1957, so it is 68 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 125 by 2040. The structure is 24 ft (7.3 m) long and 14 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFSR 240
CrossesCasner Draw
Location2.9 MI Se/O Munds Park
RouteFederal Lands Road 240
CountyCoconino County
StateArizona
Coordinates34.93576, -111.59036
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.8 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic125 by 2040
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$20,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FSR 240 over Casner Draw built?

It was built in 1957, making it 68 years old in 2025.

What condition is FSR 240 over Casner Draw 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 FSR 240 over Casner Draw carry?

About 100 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FSR 240 over Casner Draw?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.8 m) and a deck 14 ft wide.

Who owns FSR 240 over Casner Draw?

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