US Bridges

Lost Lake RD over Lake Branch Creek

Good

Hood River County, Oregon · 0568MI SW HWY 281-DEEMILL · Structure no. 15508A501 00569

Built
1986
39 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
203 ft
3 main spans
Daily traffic
164
2020 count
Owner
County
County Highway Agency

About this bridge

Lost Lake RD over Lake Branch Creek is a prestressed concrete stringer/multi-beam or girder carrying Lost Lake RD over Lake Branch Creek in Hood River County, Oregon. It was built in 1986, so it is 39 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 164 vehicles a day, roughly 10% of them trucks, projected to reach 184 by 2025. The structure is 203 ft (61.9 m) long and 33 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesLost Lake RD
CrossesLake Branch Creek
Location0568MI SW HWY 281-DEEMILL
RouteCounty Highway B0435
StateOregon
Coordinates45.5484, -121.703
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length203 ft (61.9 m)
Longest span100 ft (30.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic164 (2020)
Projected traffic184 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Lost Lake RD over Lake Branch Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Lost Lake RD over Lake Branch 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 September 2024.

How much traffic does Lost Lake RD over Lake Branch Creek carry?

About 164 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Lost Lake RD over Lake Branch Creek?

The structure is 203 ft (61.9 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.

Who owns Lost Lake RD over Lake Branch Creek?

It is owned by the County Highway Agency.