US Bridges

SR 89 over Poplar Wash

Good

Yavapai County, Arizona · 14.8 MI N JCT SR 71 · Structure no. 04796

Built
1956
69 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete Continuous
Length
53 ft
5 main spans
Daily traffic
2,340
2020 count
Owner
State
State Highway Agency

About this bridge

SR 89 over Poplar Wash is a concrete continuous culvert carrying SR 89 over Poplar Wash in Yavapai County, Arizona. It was built in 1956, so it is 69 years old, older 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 2,340 vehicles a day, roughly 6% of them trucks, projected to reach 2,350 by 2040. The structure is 53 ft (16.2 m) long and 48 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR 89
CrossesPoplar Wash
Location14.8 MI N JCT SR 71
RouteState Highway 89
CountyYavapai County
StateArizona
Coordinates34.29792, -112.72289
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2021
Inspection intervalevery 48 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span10 ft (3 m)
Deck width48 ft (14.5 m)
Roadway width46 ft (13.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,340 (2020)
Projected traffic2,350 by 2040
Trucks6%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 89 over Poplar Wash built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR 89 over Poplar Wash 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 August 2021.

How much traffic does SR 89 over Poplar Wash carry?

About 2,340 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SR 89 over Poplar Wash?

The structure is 53 ft (16.2 m) long with a longest span of 10 ft (3 m) and a deck 48 ft wide.

Who owns SR 89 over Poplar Wash?

It is owned by the State Highway Agency.