US Bridges

Cole School RD over Bear Creek

Fair

Linn County, Oregon · 012 Miles South CR 5 · Structure no. 12974 060400124

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
1,850
2021 count
Owner
County
County Highway Agency

About this bridge

Cole School RD over Bear Creek is a prestressed concrete slab carrying Cole School RD over Bear Creek in Linn County, Oregon. It was built in 1965, so it is 60 years old, older 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. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 1,850 vehicles a day, roughly 21% of them trucks, projected to reach 2,318 by 2041. The structure is 31 ft (9.4 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCole School RD
CrossesBear Creek
Location012 Miles South CR 5
RouteCounty Highway A0489
StateOregon
Coordinates44.75564, -122.80448
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
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 rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,850 (2021)
Projected traffic2,318 by 2041
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Cole School RD over Bear Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Cole School RD 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 2024.

How much traffic does Cole School RD over Bear Creek carry?

About 1,850 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is Cole School RD over Bear Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns Cole School RD over Bear Creek?

It is owned by the County Highway Agency.