US Bridges

Champoeg RD over Mission Creek

GoodPosted for load

Marion County, Oregon · 01.5 East of HWY 219 · Structure no. 05109 012 00000

Built
1970
55 years old
Condition
Good
inspected August 2024
Type
Slab
Wood or Timber
Length
33 ft
2 main spans
Daily traffic
1,208
2022 count
Owner
County
County Highway Agency

About this bridge

Champoeg RD over Mission Creek is a wood or timber slab carrying Champoeg RD over Mission Creek in Marion County, Oregon. It was built in 1970, so it is 55 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. Its operating status is: posted for load restriction.

It carries about 1,208 vehicles a day, roughly 26% of them trucks, projected to reach 1,300 by 2042. The structure is 33 ft (10.1 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChampoeg RD
CrossesMission Creek
Location01.5 East of HWY 219
RouteCounty Highway A0600
StateOregon
Coordinates45.25064, -122.89882
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.8 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,208 (2022)
Projected traffic1,300 by 2042
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Champoeg RD over Mission Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Champoeg RD over Mission 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 August 2024.

How much traffic does Champoeg RD over Mission Creek carry?

About 1,208 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is Champoeg RD over Mission Creek?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m) and a deck 27 ft wide.

Who owns Champoeg RD over Mission Creek?

It is owned by the County Highway Agency.