US Bridges

I-5 (hwy 1) NB over Murder Creek

Fair

Linn County, Oregon · 015 MI N of Albany Ncl · Structure no. 18346 001 23571

Built
2001
24 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
33,191
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 1) NB over Murder Creek is a prestressed concrete stringer/multi-beam or girder carrying I-5 (hwy 1) NB over Murder Creek in Linn County, Oregon. It was built in 2001, so it is 24 years old, younger 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 33,191 vehicles a day, roughly 15% of them trucks, projected to reach 44,350 by 2042. The structure is 112 ft (34 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-5 (hwy 1) NB
CrossesMurder Creek
Location015 MI N of Albany Ncl
RouteInterstate 5
CountyLinn County
StateOregon
Coordinates44.66595, -123.05866
Functional classRural Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length112 ft (34 m)
Longest span112 ft (34 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,191 (2022)
Projected traffic44,350 by 2042
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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) NB over Murder Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is I-5 (hwy 1) NB over Murder 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) NB over Murder Creek carry?

About 33,191 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is I-5 (hwy 1) NB over Murder Creek?

The structure is 112 ft (34 m) long with a longest span of 112 ft (34 m) and a deck 44 ft wide.

Who owns I-5 (hwy 1) NB over Murder Creek?

It is owned by the State Highway Agency.