US Bridges

Thompson Creek RD over Thompson Creek

Fair

Jackson County, Oregon · 1.8 MI S of FAP 8 JCT · Structure no. 20478 927 00180

Built
2006
19 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
2,150
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 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 2,150 vehicles a day, roughly 10% of them trucks, projected to reach 2,510 by 2025. The structure is 90 ft (27.4 m) long and 35 ft wide. If it were closed, the detour would be 47.8 mi (77 km).

CarriesThompson Creek RD
CrossesThompson Creek
Location1.8 MI S of FAP 8 JCT
RouteCounty Highway 0A340
StateOregon
Coordinates42.23315, -123.18521
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating88 US tons
Inventory rating53 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length90 ft (27.4 m)
Longest span90 ft (27.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2020)
Projected traffic2,510 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 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 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 2,150 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Thompson Creek RD over Thompson Creek?

The structure is 90 ft (27.4 m) long with a longest span of 90 ft (27.4 m) and a deck 35 ft wide.

Who owns Thompson Creek RD over Thompson Creek?

It is owned by the County Highway Agency.