US Bridges

Hershell LN over Lostine River

Good

Wallowa County, Oregon · 0.6 MI S of HWY 82 · Structure no. 22402 000 00005

Built
2016
9 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
72
2020 count
Owner
County
County Highway Agency

About this bridge

Hershell LN over Lostine River is a prestressed concrete slab carrying Hershell LN over Lostine River in Wallowa County, Oregon. It was built in 2016, so it is 9 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 72 vehicles a day, roughly 5% of them trucks, projected to reach 87 by 2025. The structure is 76 ft (23.3 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHershell LN
CrossesLostine River
Location0.6 MI S of HWY 82
RouteCounty Highway 0
StateOregon
Coordinates45.47741, -117.42688
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length76 ft (23.3 m)
Longest span74 ft (22.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2020)
Projected traffic87 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Hershell LN over Lostine River built?

It was built in 2016, making it 9 years old in 2025.

What condition is Hershell LN 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 September 2023.

How much traffic does Hershell LN over Lostine River carry?

About 72 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Hershell LN over Lostine River?

The structure is 76 ft (23.3 m) long with a longest span of 74 ft (22.7 m) and a deck 24 ft wide.

Who owns Hershell LN over Lostine River?

It is owned by the County Highway Agency.