US Bridges

No Data Entered over N Fk Sprague Arch

Fair

Lake County, Oregon · No Data Entered · Structure no. 060201000032668

Built
2019
6 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
5
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over N Fk Sprague Arch is a steel culvert carrying No Data Entered over N Fk Sprague Arch in Lake County, Oregon. It was built in 2019, so it is 6 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5 vehicles a day, projected to reach 7 by 2045. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 15.5 mi (25 km).

Location

Open in Google Maps
CarriesNo Data Entered
CrossesN Fk Sprague Arch
LocationNo Data Entered
RouteFederal Lands Road 33720
CountyLake County
StateOregon
Coordinates42.57029, -120.84289
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span22 ft (6.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (—)
Projected traffic7 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 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 No Data Entered over N Fk Sprague Arch built?

It was built in 2019, making it 6 years old in 2025.

What condition is No Data Entered over N Fk Sprague Arch 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 No Data Entered over N Fk Sprague Arch carry?

About 5 vehicles per day (latest count).

How long is No Data Entered over N Fk Sprague Arch?

The structure is 22 ft (6.8 m) long with a longest span of 22 ft (6.8 m).

Who owns No Data Entered over N Fk Sprague Arch?

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