US Bridges

Tangent DR over Owl Creek

Poor

Linn County, Oregon · 007 MI East CR 2 · Structure no. 12244A012200414

Built
1980
45 years old
Condition
Poor
inspected October 2024
Type
Slab
Prestressed Concrete
Length
103 ft
3 main spans
Daily traffic
232
2021 count
Owner
County
County Highway Agency

About this bridge

Tangent DR over Owl Creek is a prestressed concrete slab carrying Tangent DR over Owl Creek in Linn County, Oregon. It was built in 1980, so it is 45 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 232 vehicles a day, roughly 10% of them trucks, projected to reach 721 by 2041. The structure is 103 ft (31.4 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTangent DR
CrossesOwl Creek
Location007 MI East CR 2
RouteCounty Highway C0122
StateOregon
Coordinates44.53276, -123.19525
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span33 ft (10.1 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic232 (2021)
Projected traffic721 by 2041
Trucks10%
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 Tangent DR over Owl Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Tangent DR over Owl Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Tangent DR over Owl Creek carry?

About 232 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Tangent DR over Owl Creek?

The structure is 103 ft (31.4 m) long with a longest span of 33 ft (10.1 m) and a deck 31 ft wide.

Who owns Tangent DR over Owl Creek?

It is owned by the County Highway Agency.