US Bridges

Logan RD over Willow Creek EB

Good

Malheur County, Oregon · 005 MI N Inter HWY 26 · Structure no. 15667B060500042

Built
1985
40 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
110
2020 count
Owner
County
County Highway Agency

About this bridge

Logan RD over Willow Creek EB is a prestressed concrete slab carrying Logan RD over Willow Creek EB in Malheur County, Oregon. It was built in 1985, so it is 40 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 110 vehicles a day, roughly 10% of them trucks, projected to reach 127 by 2025. The structure is 61 ft (18.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLogan RD
CrossesWillow Creek EB
Location005 MI N Inter HWY 26
RouteCounty Highway C0605
StateOregon
Coordinates44.26019, -117.52895
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length61 ft (18.6 m)
Longest span58 ft (17.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic127 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Logan RD over Willow Creek EB built?

It was built in 1985, making it 40 years old in 2025.

What condition is Logan RD 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 September 2023.

How much traffic does Logan RD over Willow Creek EB carry?

About 110 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Logan RD over Willow Creek EB?

The structure is 61 ft (18.6 m) long with a longest span of 58 ft (17.7 m) and a deck 24 ft wide.

Who owns Logan RD over Willow Creek EB?

It is owned by the County Highway Agency.