US Bridges

Main ST over Bear Creek

Fair

Jackson County, Oregon · Main ST over Bear Creek · Structure no. 16792 003 00005

Built
1992
33 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
213 ft
1 main span
Daily traffic
11,501
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main ST over Bear Creek is a prestressed concrete stringer/multi-beam or girder carrying Main ST over Bear Creek in Jackson County, Oregon. It was built in 1992, so it is 33 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 11,501 vehicles a day, roughly 10% of them trucks, projected to reach 18,147 by 2025. The structure is 213 ft (65 m) long and 60 ft wide.

CarriesMain ST
CrossesBear Creek
LocationMain ST over Bear Creek
RouteCity Street A2450
StateOregon
Coordinates42.3278, -122.8695
Functional classUrban Minor Arterial

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadHS 25 or greater
Structure length213 ft (65 m)
Longest span114 ft (34.7 m)
Deck width60 ft (18.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic11,501 (2020)
Projected traffic18,147 by 2025
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed—
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Main ST over Bear Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Main 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 Main ST over Bear Creek carry?

About 11,501 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Main ST over Bear Creek?

The structure is 213 ft (65 m) long with a longest span of 114 ft (34.7 m) and a deck 60 ft wide.

Who owns Main ST over Bear Creek?

It is owned by the City or Municipal Highway Agency.