US Bridges

North Park Drive over Channel a

Fair

Navajo County, Arizona · 0.8 MI N JCT I-40 · Structure no. 09899

Built
1981
44 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
376 ft
11 main spans
Daily traffic
1,657
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

North Park Drive over Channel a is a concrete continuous slab carrying North Park Drive over Channel a in Navajo County, Arizona. It was built in 1981, so it is 44 years old, younger 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 1,657 vehicles a day, roughly 5% of them trucks, projected to reach 1,667 by 2042. The structure is 376 ft (114.6 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesNorth Park Drive
CrossesChannel a
Location0.8 MI N JCT I-40
RouteCity Street 0
CountyNavajo County
StateArizona
Coordinates35.0524, -110.6981
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length376 ft (114.6 m)
Longest span35 ft (10.7 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,657 (2022)
Projected traffic1,667 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 North Park Drive over Channel a built?

It was built in 1981, making it 44 years old in 2025.

What condition is North Park Drive over Channel a 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 June 2024.

How much traffic does North Park Drive over Channel a carry?

About 1,657 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is North Park Drive over Channel a?

The structure is 376 ft (114.6 m) long with a longest span of 35 ft (10.7 m) and a deck 41 ft wide.

Who owns North Park Drive over Channel a?

It is owned by the City or Municipal Highway Agency.