US Bridges

N Lake Creek DR over N Lake Creek

Good

Linn County, Oregon · 0.49 MI West HWY 99E · Structure no. 19854 122 00053

Built
1996
29 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
25 ft
4 main spans
Daily traffic
670
2021 count
Owner
County
County Highway Agency

About this bridge

N Lake Creek DR over N Lake Creek is a concrete culvert carrying N Lake Creek DR over N Lake Creek in Linn County, Oregon. It was built in 1996, so it is 29 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 670 vehicles a day, roughly 10% of them trucks, projected to reach 876 by 2041. The structure is 25 ft (7.7 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesN Lake Creek DR
CrossesN Lake Creek
Location0.49 MI West HWY 99E
RouteCounty Highway A0479
StateOregon
Coordinates44.54451, -123.12028
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span4 ft (1.2 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic670 (2021)
Projected traffic876 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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 N Lake Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is N Lake Creek DR over N Lake Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

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

About 670 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is N Lake Creek DR over N Lake Creek?

The structure is 25 ft (7.7 m) long with a longest span of 4 ft (1.2 m) and a deck 32 ft wide.

Who owns N Lake Creek DR over N Lake Creek?

It is owned by the County Highway Agency.