US Bridges

IRR US 89; FAP 037 over Tanner Wash

Fair

Coconino County, Arizona · 2.6 MI S JCT US 89A · Structure no. 01899

Built
1980
45 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
196 ft
3 main spans
Daily traffic
3,383
2022 count
Owner
State
State Highway Agency

About this bridge

IRR US 89; FAP 037 over Tanner Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying IRR US 89; FAP 037 over Tanner Wash in Coconino County, Arizona. It was built in 1980, so it is 45 years old, younger 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 3,383 vehicles a day, roughly 30% of them trucks, projected to reach 3,393 by 2042. The structure is 196 ft (59.7 m) long and 47 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesIRR US 89; FAP 037
CrossesTanner Wash
Location2.6 MI S JCT US 89A
RouteU.S. Route 89
CountyCoconino County
StateArizona
Coordinates36.59928, -111.65676
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length196 ft (59.7 m)
Longest span64 ft (19.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,383 (2022)
Projected traffic3,393 by 2042
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

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$2,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR US 89; FAP 037 over Tanner Wash built?

It was built in 1980, making it 45 years old in 2025.

What condition is IRR US 89; FAP 037 over Tanner 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 IRR US 89; FAP 037 over Tanner Wash carry?

About 3,383 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is IRR US 89; FAP 037 over Tanner Wash?

The structure is 196 ft (59.7 m) long with a longest span of 64 ft (19.5 m) and a deck 47 ft wide.

Who owns IRR US 89; FAP 037 over Tanner Wash?

It is owned by the State Highway Agency.