US Bridges

West Boundary RD over Scott Creek

Fair

Klamath County, Oregon · 029 MI W of HWY 97 · Structure no. 35C364067500290

Built
1978
47 years old, rebuilt 1988
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
68
2020 count
Owner
County
County Highway Agency

About this bridge

West Boundary RD over Scott Creek is a prestressed concrete slab carrying West Boundary RD over Scott Creek in Klamath County, Oregon. It was built in 1978 and reconstructed in 1988, so it is 47 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 68 vehicles a day, projected to reach 73 by 2025. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesWest Boundary RD
CrossesScott Creek
Location029 MI W of HWY 97
RouteCounty Highway C0675
StateOregon
Coordinates42.88463, -121.88864
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68 (2020)
Projected traffic73 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 West Boundary RD over Scott Creek built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1988.

What condition is West Boundary RD over Scott Creek 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 July 2024.

How much traffic does West Boundary RD over Scott Creek carry?

About 68 vehicles per day (2020 count).

How long is West Boundary RD over Scott Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 32 ft wide.

Who owns West Boundary RD over Scott Creek?

It is owned by the County Highway Agency.