US Bridges

Fdr 373F over Miller Creek

Fair

Yavapai County, Arizona · 4.1 West of Prescott Az · Structure no. 030903000003317

Built
1966
59 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
27 ft
3 main spans
Daily traffic
350
2022 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 373F over Miller Creek is a concrete continuous slab carrying Fdr 373F over Miller Creek in Yavapai County, Arizona. It was built in 1966, so it is 59 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 6 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 399 by 2040. The structure is 27 ft (8.1 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesFdr 373F
CrossesMiller Creek
Location4.1 West of Prescott Az
RouteFederal Lands Road 0
StateArizona
Coordinates34.55192, -112.52047
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length27 ft (8.1 m)
Longest span9 ft (2.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic399 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$180,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 373F over Miller Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Fdr 373F over Miller Creek 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 January 2024.

How much traffic does Fdr 373F over Miller Creek carry?

About 350 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Fdr 373F over Miller Creek?

The structure is 27 ft (8.1 m) long with a longest span of 9 ft (2.6 m) and a deck 26 ft wide.

Who owns Fdr 373F over Miller Creek?

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