US Bridges

Lostine River Road over Lostine River

Good

Wallowa County, Oregon · No Data Entered · Structure no. 061605000001035

Built
1970
55 years old
Condition
Good
inspected July 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
165 ft
3 main spans
Daily traffic
100
2001 count
Owner
Federal
U.S. Forest Service

About this bridge

Lostine River Road over Lostine River is a prestressed concrete stringer/multi-beam or girder carrying Lostine River Road over Lostine River in Wallowa 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 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2045. The structure is 165 ft (50.3 m) long and 31 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesLostine River Road
CrossesLostine River
LocationNo Data Entered
RouteFederal Lands Road 82100
StateOregon
Coordinates45.38648, -117.42513
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length165 ft (50.3 m)
Longest span62 ft (18.9 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2001)
Projected traffic150 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lostine River Road over Lostine River built?

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

What condition is Lostine River Road over Lostine River 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 July 2022.

How much traffic does Lostine River Road over Lostine River carry?

About 100 vehicles per day (2001 count), of which roughly 5% are trucks.

How long is Lostine River Road over Lostine River?

The structure is 165 ft (50.3 m) long with a longest span of 62 ft (18.9 m) and a deck 31 ft wide.

Who owns Lostine River Road over Lostine River?

It is owned by the U.S. Forest Service.