US Bridges

I-5 (hwy 001) over First ST

Fair

Douglas County, Oregon · 00.6 MI N Canyonville Scl · Structure no. 07324 001 09851

Built
1951
74 years old, rebuilt 1966
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
89 ft
3 main spans
Daily traffic
21,553
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 001) over First ST is a concrete continuous tee beam carrying I-5 (hwy 001) over First ST in Douglas County, Oregon. It was built in 1951 and reconstructed in 1966, so it is 74 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 21,553 vehicles a day, roughly 27% of them trucks, projected to reach 27,300 by 2042. The structure is 89 ft (27 m) long and 94 ft wide.

CarriesI-5 (hwy 001)
CrossesFirst ST
Location00.6 MI N Canyonville Scl
RouteInterstate 5
StateOregon
Coordinates42.92729, -123.28129
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length89 ft (27 m)
Longest span36 ft (11 m)
Deck width94 ft (28.7 m)
Roadway width88 ft (26.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,553 (2022)
Projected traffic27,300 by 2042
Trucks27%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$461,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 (hwy 001) over First ST built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1966.

What condition is I-5 (hwy 001) over First ST 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) over First ST carry?

About 21,553 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is I-5 (hwy 001) over First ST?

The structure is 89 ft (27 m) long with a longest span of 36 ft (11 m) and a deck 94 ft wide.

Who owns I-5 (hwy 001) over First ST?

It is owned by the State Highway Agency.