US Bridges

I-5 (hwy 1) Frtg. over Cox Creek

Fair

Linn County, Oregon · 008 MI N of Albany Scl · Structure no. 06661 001F23366

Built
1940
85 years old, rebuilt 1955
Condition
Fair
inspected January 2023
Type
Channel Beam
Concrete
Length
45 ft
3 main spans
Daily traffic
6,722
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 1) Frtg. over Cox Creek is a concrete channel beam carrying I-5 (hwy 1) Frtg. over Cox Creek in Linn County, Oregon. It was built in 1940 and reconstructed in 1955, so it is 85 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 6,722 vehicles a day, roughly 15% of them trucks, projected to reach 6,500 by 2030. The structure is 45 ft (13.7 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-5 (hwy 1) Frtg.
CrossesCox Creek
Location008 MI N of Albany Scl
RouteState Highway 5
CountyLinn County
StateOregon
Coordinates44.63629, -123.06285
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
Deck8 Very GoodNo problems noted.
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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,722 (2022)
Projected traffic6,500 by 2030
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I-5 (hwy 1) Frtg. over Cox Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1955.

What condition is I-5 (hwy 1) Frtg. over Cox 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 January 2023.

How much traffic does I-5 (hwy 1) Frtg. over Cox Creek carry?

About 6,722 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is I-5 (hwy 1) Frtg. over Cox Creek?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 36 ft wide.

Who owns I-5 (hwy 1) Frtg. over Cox Creek?

It is owned by the State Highway Agency.