US Bridges

Center Patrol Road over Blitzen River

FairPosted for load

Harney County, Oregon · 30.9 MI S of Hdqtrs · Structure no. 000013570-00767

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
50
2024 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Center Patrol Road over Blitzen River is a steel stringer/multi-beam or girder carrying Center Patrol Road over Blitzen River in Harney County, Oregon. It was built in 1970, so it is 55 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 60 by 2044. The structure is 37 ft (11.3 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCenter Patrol Road
CrossesBlitzen River
Location30.9 MI S of Hdqtrs
RouteFederal Lands Road 0
CountyHarney County
StateOregon
Coordinates42.82783, -118.88567
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22 US tons
Inventory rating17 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width16 ft (5 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic50 (2024)
Projected traffic60 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
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 Center Patrol Road over Blitzen River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Center Patrol Road over Blitzen River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Center Patrol Road over Blitzen River carry?

About 50 vehicles per day (2024 count).

How long is Center Patrol Road over Blitzen River?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 16 ft wide.

Who owns Center Patrol Road over Blitzen River?

It is owned by the Bureau of Fish and Wildlife.