US Bridges

I 40; WB over RR Riordan RD & Wash

Fair

Coconino County, Arizona · 4.5 MI West JCT I 17 · Structure no. 00897

Built
1966
59 years old, rebuilt 1985
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
396 ft
6 main spans
Daily traffic
12,620
2022 count
Owner
State
State Highway Agency

About this bridge

I 40; WB over RR Riordan RD & Wash is a steel stringer/multi-beam or girder carrying I 40; WB over RR Riordan RD & Wash in Coconino County, Arizona. It was built in 1966 and reconstructed in 1985, so it is 59 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 12,620 vehicles a day, roughly 37% of them trucks, projected to reach 12,630 by 2042. The structure is 396 ft (120.7 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 40; WB
CrossesRR Riordan RD & Wash
Location4.5 MI West JCT I 17
RouteInterstate 40
CountyCoconino County
StateArizona
Coordinates35.1951, -111.7378
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length396 ft (120.7 m)
Longest span70 ft (21.3 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,620 (2022)
Projected traffic12,630 by 2042
Trucks37%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 40; WB over RR Riordan RD & Wash built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1985.

What condition is I 40; WB over RR Riordan RD & 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 September 2024.

How much traffic does I 40; WB over RR Riordan RD & Wash carry?

About 12,620 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is I 40; WB over RR Riordan RD & Wash?

The structure is 396 ft (120.7 m) long with a longest span of 70 ft (21.3 m) and a deck 45 ft wide.

Who owns I 40; WB over RR Riordan RD & Wash?

It is owned by the State Highway Agency.