US Bridges

Oliver Springs RD over Blitzen River

FairPosted for load

Harney County, Oregon · 12.5 MI S of Hdqtrs · Structure no. 000013570-00515

Built
1961
64 years old, rebuilt 1984
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
68 ft
3 main spans
Daily traffic
1
2024 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Oliver Springs RD over Blitzen River is a wood or timber stringer/multi-beam or girder carrying Oliver Springs RD over Blitzen River in Harney County, Oregon. It was built in 1961 and reconstructed in 1984, so it is 64 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 1 vehicles a day, projected to reach 1 by 2044. The structure is 68 ft (20.7 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesOliver Springs RD
CrossesBlitzen River
Location12.5 MI S of Hdqtrs
RouteFederal Lands Road 0
CountyHarney County
StateOregon
Coordinates43.085, -118.84867
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span31 ft (9.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic1 (2024)
Projected traffic1 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Oliver Springs RD over Blitzen River built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1984.

What condition is Oliver Springs RD 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 Oliver Springs RD over Blitzen River carry?

About 1 vehicles per day (2024 count).

How long is Oliver Springs RD over Blitzen River?

The structure is 68 ft (20.7 m) long with a longest span of 31 ft (9.4 m) and a deck 16 ft wide.

Who owns Oliver Springs RD over Blitzen River?

It is owned by the Bureau of Fish and Wildlife.