US Bridges

Mosby CR RD over Champion Creek

Fair

Lane County, Oregon · 028 MI S Dorena Dam · Structure no. 39C15A250000536

Built
1976
49 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
1,790
2020 count
Owner
County
County Highway Agency

About this bridge

Mosby CR RD over Champion Creek is a prestressed concrete slab carrying Mosby CR RD over Champion Creek in Lane County, Oregon. It was built in 1976, so it is 49 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 1,790 vehicles a day, roughly 20% of them trucks, projected to reach 2,050 by 2025. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesMosby CR RD
CrossesChampion Creek
Location028 MI S Dorena Dam
RouteCounty Highway A0470
CountyLane County
StateOregon
Coordinates43.7535, -122.98792
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,790 (2020)
Projected traffic2,050 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Mosby CR RD over Champion Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Mosby CR RD over Champion 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 September 2024.

How much traffic does Mosby CR RD over Champion Creek carry?

About 1,790 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Mosby CR RD over Champion Creek?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 32 ft wide.

Who owns Mosby CR RD over Champion Creek?

It is owned by the County Highway Agency.