US Bridges

I 40; WB over SR 89A

Fair

Coconino County, Arizona · 0.2 MI W JCT I 17 · Structure no. 01262

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
347 ft
6 main spans
Daily traffic
10,716
2024 count
Owner
State
State Highway Agency

About this bridge

I 40; WB over SR 89A is a concrete continuous box beam or girders - single or spread carrying I 40; WB over SR 89A in Coconino County, Arizona. It was built in 1965, so it is 60 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 10,716 vehicles a day, roughly 18% of them trucks, projected to reach 10,726 by 2042. The structure is 347 ft (105.8 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 40; WB
CrossesSR 89A
Location0.2 MI W JCT I 17
RouteInterstate 40
CountyCoconino County
StateArizona
Coordinates35.1734, -111.6656
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating54 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length347 ft (105.8 m)
Longest span62 ft (18.9 m)
Deck width67 ft (20.3 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,716 (2024)
Projected traffic10,726 by 2042
Trucks18%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 SR 89A built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 40; WB over SR 89A 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 2024.

How much traffic does I 40; WB over SR 89A carry?

About 10,716 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is I 40; WB over SR 89A?

The structure is 347 ft (105.8 m) long with a longest span of 62 ft (18.9 m) and a deck 67 ft wide.

Who owns I 40; WB over SR 89A?

It is owned by the State Highway Agency.