US Bridges

I-40 WB over Tucker Flat Wash

Fair

Coconino County, Arizona · 3.6 MI E JCT SR 99 · Structure no. 01318

Built
1969
56 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
11,568
2021 count
Owner
State
State Highway Agency

About this bridge

I-40 WB over Tucker Flat Wash is a concrete continuous slab carrying I-40 WB over Tucker Flat Wash in Coconino County, Arizona. It was built in 1969, so it is 56 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 11,568 vehicles a day, roughly 43% of them trucks, projected to reach 11,578 by 2041. The structure is 81 ft (24.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-40 WB
CrossesTucker Flat Wash
Location3.6 MI E JCT SR 99
RouteInterstate 40
CountyCoconino County
StateArizona
Coordinates35.0502, -110.7758
Functional classRural Principal Arterial - Interstate

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 inspectionApril 2023
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 rating66 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span30 ft (9.1 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,568 (2021)
Projected traffic11,578 by 2041
Trucks43%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I-40 WB over Tucker Flat Wash built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-40 WB over Tucker Flat Wash 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 April 2023.

How much traffic does I-40 WB over Tucker Flat Wash carry?

About 11,568 vehicles per day (2021 count), of which roughly 43% are trucks.

How long is I-40 WB over Tucker Flat Wash?

The structure is 81 ft (24.7 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.

Who owns I-40 WB over Tucker Flat Wash?

It is owned by the State Highway Agency.