US Bridges

Sun CR Co-Op Road over Sun Creek

Good

Klamath County, Oregon · Sun Pass · Structure no. 24019 000 00000

Built
1900
125 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
22 ft
1 main span
Daily traffic
10
2020 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Sun CR Co-Op Road over Sun Creek is a prestressed concrete slab carrying Sun CR Co-Op Road over Sun Creek in Klamath County, Oregon. It was built in 1900, so it is 125 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 10 vehicles a day, projected to reach 15 by 2030. The structure is 22 ft (6.7 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSun CR Co-Op Road
CrossesSun Creek
LocationSun Pass
RouteState Lands Road 0
StateOregon
Coordinates42.76209, -122.01556
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadOther
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic15 by 2030
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 Sun CR Co-Op Road over Sun Creek built?

It was built in 1900, making it 125 years old in 2025.

What condition is Sun CR Co-Op Road over Sun 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 July 2024.

How much traffic does Sun CR Co-Op Road over Sun Creek carry?

About 10 vehicles per day (2020 count).

How long is Sun CR Co-Op Road over Sun Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 16 ft wide.

Who owns Sun CR Co-Op Road over Sun Creek?

It is owned by the State Park, Forest, or Reservation Agency.