US Bridges

I-5 (hwy 001) NB over Elk Creek

Fair

Douglas County, Oregon · 06.0 MI N of HWY 236 JCT · Structure no. 07567B001 15603

Built
1953
72 years old, rebuilt 1997
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
11,233
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 001) NB over Elk Creek is a concrete continuous tee beam carrying I-5 (hwy 001) NB over Elk Creek in Douglas County, Oregon. It was built in 1953 and reconstructed in 1997, so it is 72 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 5 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 11,233 vehicles a day, roughly 25% of them trucks, projected to reach 12,400 by 2042. The structure is 130 ft (39.6 m) long and 40 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesI-5 (hwy 001) NB
CrossesElk Creek
Location06.0 MI N of HWY 236 JCT
RouteInterstate 5
CountyDouglas County
StateOregon
Coordinates43.62644, -123.21847
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,233 (2022)
Projected traffic12,400 by 2042
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 001) NB over Elk Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1997.

What condition is I-5 (hwy 001) NB over Elk 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 December 2024.

How much traffic does I-5 (hwy 001) NB over Elk Creek carry?

About 11,233 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is I-5 (hwy 001) NB over Elk Creek?

The structure is 130 ft (39.6 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns I-5 (hwy 001) NB over Elk Creek?

It is owned by the State Highway Agency.