US Bridges

SR89A SB over Granite Creek

Fair

Yavapai County, Arizona · 0.9 MI E JCT SR 89 · Structure no. 02559

Built
2001
24 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
363 ft
3 main spans
Daily traffic
18,178
2023 count
Owner
State
State Highway Agency

About this bridge

SR89A SB over Granite Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR89A SB over Granite Creek in Yavapai County, Arizona. It was built in 2001, so it is 24 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 18,178 vehicles a day, roughly 8% of them trucks, projected to reach 18,188 by 2040. The structure is 363 ft (110.6 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR89A SB
CrossesGranite Creek
Location0.9 MI E JCT SR 89
RouteState Highway 89
StateArizona
Coordinates34.6364, -112.4131
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length363 ft (110.6 m)
Longest span118 ft (36 m)
Deck width58 ft (17.8 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,178 (2023)
Projected traffic18,188 by 2040
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR89A SB over Granite Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR89A SB over Granite Creek 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 October 2024.

How much traffic does SR89A SB over Granite Creek carry?

About 18,178 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR89A SB over Granite Creek?

The structure is 363 ft (110.6 m) long with a longest span of 118 ft (36 m) and a deck 58 ft wide.

Who owns SR89A SB over Granite Creek?

It is owned by the State Highway Agency.