US Bridges

N Lake Creek DR over Lake Creek

Fair

Linn County, Oregon · 008 MI West HWY 99E · Structure no. 12237 012200081

Built
1960
65 years old, rebuilt 2000
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
203 ft
7 main spans
Daily traffic
618
2021 count
Owner
County
County Highway Agency

About this bridge

N Lake Creek DR over Lake Creek is a prestressed concrete slab carrying N Lake Creek DR over Lake Creek in Linn County, Oregon. It was built in 1960 and reconstructed in 2000, so it is 65 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.

It carries about 618 vehicles a day, roughly 10% of them trucks, projected to reach 876 by 2041. The structure is 203 ft (61.9 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesN Lake Creek DR
CrossesLake Creek
Location008 MI West HWY 99E
RouteCounty Highway A0479
StateOregon
Coordinates44.54397, -123.12571
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans7
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span29 ft (8.8 m)
Deck width36 ft (11 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic618 (2021)
Projected traffic876 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 N Lake Creek DR over Lake Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2000.

What condition is N Lake Creek DR over Lake 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 October 2024.

How much traffic does N Lake Creek DR over Lake Creek carry?

About 618 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is N Lake Creek DR over Lake Creek?

The structure is 203 ft (61.9 m) long with a longest span of 29 ft (8.8 m) and a deck 36 ft wide.

Who owns N Lake Creek DR over Lake Creek?

It is owned by the County Highway Agency.