US Bridges

Cottage ST over Bear Creek

Fair

Jackson County, Oregon · Cottage ST at Bear Creek · Structure no. 18756 006 00002

Built
2000
25 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
180 ft
2 main spans
Daily traffic
5,191
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cottage ST over Bear Creek is a prestressed concrete box beam or girders - multiple carrying Cottage ST over Bear Creek in Jackson County, Oregon. It was built in 2000, so it is 25 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 5,191 vehicles a day, roughly 10% of them trucks, projected to reach 5,941 by 2025. The structure is 180 ft (55 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCottage ST
CrossesBear Creek
LocationCottage ST at Bear Creek
RouteCity Street C19T6
StateOregon
Coordinates42.32416, -122.86535
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating93.3 US tons
Inventory rating72.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length180 ft (55 m)
Longest span105 ft (32 m)
Deck width47 ft (14.3 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,191 (2020)
Projected traffic5,941 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Cottage ST over Bear Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Cottage ST over Bear 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 July 2023.

How much traffic does Cottage ST over Bear Creek carry?

About 5,191 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Cottage ST over Bear Creek?

The structure is 180 ft (55 m) long with a longest span of 105 ft (32 m) and a deck 47 ft wide.

Who owns Cottage ST over Bear Creek?

It is owned by the City or Municipal Highway Agency.