US Bridges

FSR 100 over West Chevelon Creek

Good

Coconino County, Arizona · 3 MI E/O Wallace RD Int · Structure no. 030102000036496

Built
1973
52 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
100
2021 count
Owner
Federal
U.S. Forest Service

About this bridge

FSR 100 over West Chevelon Creek is a concrete slab carrying FSR 100 over West Chevelon Creek in Coconino County, Arizona. It was built in 1973, so it is 52 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2045. The structure is 32 ft (9.8 m) long and 55 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesFSR 100
CrossesWest Chevelon Creek
Location3 MI E/O Wallace RD Int
RouteFederal Lands Road 100
StateArizona
Coordinates34.47177, -110.92506
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating81 US tons
Inventory rating62.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width55 ft (16.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic150 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FSR 100 over West Chevelon Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is FSR 100 over West Chevelon 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 October 2024.

How much traffic does FSR 100 over West Chevelon Creek carry?

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

How long is FSR 100 over West Chevelon Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 55 ft wide.

Who owns FSR 100 over West Chevelon Creek?

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