US Bridges

IRR US a 89 over Soap Creek

Good

Coconino County, Arizona · 22.6 MI N JCT US 89 · Structure no. 02226

Built
1993
32 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
726
2021 count
Owner
State
State Highway Agency

About this bridge

IRR US a 89 over Soap Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR US a 89 over Soap Creek in Coconino County, Arizona. It was built in 1993, so it is 32 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 726 vehicles a day, roughly 7% of them trucks, projected to reach 736 by 2041. The structure is 100 ft (30.5 m) long and 47 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIRR US a 89
CrossesSoap Creek
Location22.6 MI N JCT US 89
RouteU.S. Route 89
StateArizona
Coordinates36.7468, -111.7491
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span96 ft (29.3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic726 (2021)
Projected traffic736 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR US a 89 over Soap Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is IRR US a 89 over Soap Creek 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 July 2023.

How much traffic does IRR US a 89 over Soap Creek carry?

About 726 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is IRR US a 89 over Soap Creek?

The structure is 100 ft (30.5 m) long with a longest span of 96 ft (29.3 m) and a deck 47 ft wide.

Who owns IRR US a 89 over Soap Creek?

It is owned by the State Highway Agency.