US Bridges

Thompson Creek RD over Thompson Creek

Good

Jackson County, Oregon · 3.0 MI S of FAP 8 JCT · Structure no. 20479 927 00303

Built
2006
19 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
118 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 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 2,150 vehicles a day, roughly 10% of them trucks, projected to reach 2,510 by 2025. The structure is 118 ft (36 m) long and 36 ft wide. If it were closed, the detour would be 47.8 mi (77 km).

CarriesThompson Creek RD
CrossesThompson Creek
Location3.0 MI S of FAP 8 JCT
RouteCounty Highway 0A340
StateOregon
Coordinates42.21785, -123.19681
Functional classRural Major Collector

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.
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 evaluation7: Better than 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 rating83 US tons
Inventory rating50 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length118 ft (36 m)
Longest span118 ft (36 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 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 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 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 118 ft (36 m) long with a longest span of 118 ft (36 m) and a deck 36 ft wide.

Who owns Thompson Creek RD over Thompson Creek?

It is owned by the County Highway Agency.