US Bridges

Perkinsville Road over Lockett Springs

Fair

Coconino County, Arizona · 7.3 MI S Old Route 66 · Structure no. 09261

Built
1946
79 years old
Condition
Fair
inspected July 2022
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
420
2022 count
Owner
County
County Highway Agency

About this bridge

Perkinsville Road over Lockett Springs is a concrete continuous culvert carrying Perkinsville Road over Lockett Springs in Coconino County, Arizona. It was built in 1946, so it is 79 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 420 vehicles a day, roughly 2% of them trucks, projected to reach 430 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesPerkinsville Road
CrossesLockett Springs
Location7.3 MI S Old Route 66
RouteCounty Highway 0
StateArizona
Coordinates35.1547, -112.1485
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2022)
Projected traffic430 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Perkinsville Road over Lockett Springs built?

It was built in 1946, making it 79 years old in 2025.

What condition is Perkinsville Road over Lockett Springs 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 2022.

How much traffic does Perkinsville Road over Lockett Springs carry?

About 420 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Perkinsville Road over Lockett Springs?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Perkinsville Road over Lockett Springs?

It is owned by the County Highway Agency.