US Bridges

Haystack Road over Irrigation Canal

Good

Jefferson County, Oregon · 0.05 MI S of Jerico Lane · Structure no. 31C94A106 00020

Built
1996
29 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
393
2020 count
Owner
County
County Highway Agency

About this bridge

Haystack Road over Irrigation Canal is a prestressed concrete box beam or girders - multiple carrying Haystack Road over Irrigation Canal in Jefferson County, Oregon. It was built in 1996, so it is 29 years old, younger than the Oregon average of 49.9 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 393 vehicles a day, roughly 5% of them trucks, projected to reach 453 by 2025. The structure is 80 ft (24.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHaystack Road
CrossesIrrigation Canal
Location0.05 MI S of Jerico Lane
RouteCounty Highway 0
StateOregon
Coordinates44.50106, -121.16264
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length80 ft (24.4 m)
Longest span78 ft (23.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic393 (2020)
Projected traffic453 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Haystack Road over Irrigation Canal built?

It was built in 1996, making it 29 years old in 2025.

What condition is Haystack Road over Irrigation Canal 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 November 2024.

How much traffic does Haystack Road over Irrigation Canal carry?

About 393 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Haystack Road over Irrigation Canal?

The structure is 80 ft (24.4 m) long with a longest span of 78 ft (23.8 m) and a deck 28 ft wide.

Who owns Haystack Road over Irrigation Canal?

It is owned by the County Highway Agency.