US Bridges

Dufur Valley Road over Fifteenmile Creek

Good

Wasco County, Oregon · 4.5 Mi. W. of Dufur · Structure no. 16163 000 00332

Built
1975
50 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
590
2020 count
Owner
County
County Highway Agency

About this bridge

Dufur Valley Road over Fifteenmile Creek is a prestressed concrete slab carrying Dufur Valley Road over Fifteenmile Creek in Wasco County, Oregon. It was built in 1975, so it is 50 years old, older 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 590 vehicles a day, roughly 15% of them trucks, projected to reach 675 by 2025. The structure is 50 ft (15.2 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesDufur Valley Road
CrossesFifteenmile Creek
Location4.5 Mi. W. of Dufur
RouteCounty Highway 0
StateOregon
Coordinates45.43083, -121.22497
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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
ScourFoundations stable; action required to protect exposed foundations
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 rating70.8 US tons
Inventory rating54.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic590 (2020)
Projected traffic675 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Dufur Valley Road over Fifteenmile Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Dufur Valley Road over Fifteenmile Creek 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 Dufur Valley Road over Fifteenmile Creek carry?

About 590 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Dufur Valley Road over Fifteenmile Creek?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns Dufur Valley Road over Fifteenmile Creek?

It is owned by the County Highway Agency.