US Bridges

Palmateer Road over Willow Creek EB

Good

Morrow County, Oregon · 0.15 MI W of HWY 74 · Structure no. 10905 053200000

Built
1986
39 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
43
2020 count
Owner
County
County Highway Agency

About this bridge

Palmateer Road over Willow Creek EB is a prestressed concrete box beam or girders - multiple carrying Palmateer Road over Willow Creek EB in Morrow County, Oregon. It was built in 1986, so it is 39 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 43 vehicles a day, roughly 1% of them trucks, projected to reach 50 by 2025. The structure is 78 ft (23.8 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesPalmateer Road
CrossesWillow Creek EB
Location0.15 MI W of HWY 74
RouteCounty Highway 0
StateOregon
Coordinates45.54456, -119.93333
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length78 ft (23.8 m)
Longest span76 ft (23.2 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2020)
Projected traffic50 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Palmateer Road over Willow Creek EB built?

It was built in 1986, making it 39 years old in 2025.

What condition is Palmateer Road over Willow Creek EB 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 2024.

How much traffic does Palmateer Road over Willow Creek EB carry?

About 43 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Palmateer Road over Willow Creek EB?

The structure is 78 ft (23.8 m) long with a longest span of 76 ft (23.2 m) and a deck 32 ft wide.

Who owns Palmateer Road over Willow Creek EB?

It is owned by the County Highway Agency.