US Bridges

4th ST over I 40; EB

Good

Coconino County, Arizona · At JCT With I 40 · Structure no. 20197

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
138 ft
1 main span
Daily traffic
25,431
2023 count
Owner
State
State Highway Agency

About this bridge

4th ST over I 40; EB is a prestressed concrete stringer/multi-beam or girder carrying 4th ST over I 40; EB in Coconino County, Arizona. It was built in 2020, so it is 5 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25,431 vehicles a day, roughly 10% of them trucks, projected to reach 25,441 by 2042. The structure is 138 ft (42.1 m) long and 95 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries4th ST
CrossesI 40; EB
LocationAt JCT With I 40
RouteCity Street 0
CountyCoconino County
StateArizona
Coordinates35.2018, -111.6082
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length138 ft (42.1 m)
Longest span134 ft (40.8 m)
Deck width95 ft (28.9 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,431 (2023)
Projected traffic25,441 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 4th ST over I 40; EB built?

It was built in 2020, making it 5 years old in 2025.

What condition is 4th ST over I 40; EB in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does 4th ST over I 40; EB carry?

About 25,431 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 4th ST over I 40; EB?

The structure is 138 ft (42.1 m) long with a longest span of 134 ft (40.8 m) and a deck 95 ft wide.

Who owns 4th ST over I 40; EB?

It is owned by the State Highway Agency.