US Bridges

Caudle Lane over Lostine River

Fair

Wallowa County, Oregon · 0.2 MI W of HWY 82 · Structure no. 063C21C53600002

Built
1974
51 years old
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Steel
Length
61 ft
1 main span
Daily traffic
90
2020 count
Owner
County
County Highway Agency

About this bridge

Caudle Lane over Lostine River is a steel girder and floorbeam system carrying Caudle Lane over Lostine River in Wallowa County, Oregon. It was built in 1974, so it is 51 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: open, posting recommended but not legally implemented.

It carries about 90 vehicles a day, roughly 5% of them trucks, projected to reach 105 by 2025. The structure is 61 ft (18.6 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCaudle Lane
CrossesLostine River
Location0.2 MI W of HWY 82
RouteCounty Highway 0
CountyWallowa County
StateOregon
Coordinates45.48884, -117.43598
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, posting recommended but not legally implemented
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating5.7 US tons
Inventory rating4.3 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 15
Structure length61 ft (18.6 m)
Longest span59 ft (18 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2020)
Projected traffic105 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$407,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Caudle Lane over Lostine River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Caudle Lane over Lostine 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 September 2024.

How much traffic does Caudle Lane over Lostine River carry?

About 90 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Caudle Lane over Lostine River?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (18 m) and a deck 20 ft wide.

Who owns Caudle Lane over Lostine River?

It is owned by the County Highway Agency.