US Bridges

I-40 EB over Tucker Flat Wash

Fair

Coconino County, Arizona · 3.6 MI E JCT SR 99 · Structure no. 00336

Built
1949
76 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
12,767
2021 count
Owner
State
State Highway Agency

About this bridge

I-40 EB over Tucker Flat Wash is a concrete continuous slab carrying I-40 EB over Tucker Flat Wash in Coconino County, Arizona. It was built in 1949, so it is 76 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 5 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 12,767 vehicles a day, roughly 43% of them trucks, projected to reach 12,777 by 2041. The structure is 80 ft (24.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-40 EB
CrossesTucker Flat Wash
Location3.6 MI E JCT SR 99
RouteInterstate 40
CountyCoconino County
StateArizona
Coordinates35.04988, -110.77595
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span30 ft (9.1 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,767 (2021)
Projected traffic12,777 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-40 EB over Tucker Flat Wash built?

It was built in 1949, making it 76 years old in 2025.

What condition is I-40 EB 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 EB over Tucker Flat Wash carry?

About 12,767 vehicles per day (2021 count), of which roughly 43% are trucks.

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

The structure is 80 ft (24.4 m) long with a longest span of 30 ft (9.1 m) and a deck 45 ft wide.

Who owns I-40 EB over Tucker Flat Wash?

It is owned by the State Highway Agency.