US Bridges

Thompson Creek RD over Thompson Creek

Fair

Jackson County, Oregon · 5.0 MI S of FAP 8 JCT · Structure no. 20481 927 00505

Built
2006
19 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
484
2020 count
Owner
County
County Highway Agency

About this bridge

Thompson Creek RD over Thompson Creek is a prestressed concrete tee beam carrying Thompson Creek RD over Thompson Creek in Jackson County, Oregon. It was built in 2006, so it is 19 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 5 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 484 vehicles a day, roughly 10% of them trucks, projected to reach 564 by 2025. The structure is 86 ft (26.2 m) long and 35 ft wide. If it were closed, the detour would be 47.8 mi (77 km).

CarriesThompson Creek RD
CrossesThompson Creek
Location5.0 MI S of FAP 8 JCT
RouteCounty Highway 0A340
StateOregon
Coordinates42.19433, -123.21492
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length86 ft (26.2 m)
Longest span86 ft (26.2 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic484 (2020)
Projected traffic564 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.8 mi (77 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Thompson Creek RD over Thompson Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Thompson Creek RD over Thompson 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 June 2023.

How much traffic does Thompson Creek RD over Thompson Creek carry?

About 484 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Thompson Creek RD over Thompson Creek?

The structure is 86 ft (26.2 m) long with a longest span of 86 ft (26.2 m) and a deck 35 ft wide.

Who owns Thompson Creek RD over Thompson Creek?

It is owned by the County Highway Agency.