US Bridges

Crosby Road over I-5 (hwy 1)

Fair

Marion County, Oregon · 014 MI N of OR214 · Structure no. 07801A001 27321

Built
1973
52 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
350 ft
2 main spans
Daily traffic
91,617
2022 count
Owner
State
State Highway Agency

About this bridge

Crosby Road over I-5 (hwy 1) is a prestressed concrete continuous box beam or girders - multiple carrying Crosby Road over I-5 (hwy 1) in Marion County, Oregon. It was built in 1973, so it is 52 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 91,617 vehicles a day, roughly 14% of them trucks, projected to reach 102,800 by 2042. The structure is 350 ft (106.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCrosby Road
CrossesI-5 (hwy 1)
Location014 MI N of OR214
RouteCounty Highway 0
CountyMarion County
StateOregon
Coordinates45.16709, -122.86437
Functional classRural Major Collector

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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length350 ft (106.7 m)
Longest span145 ft (44.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91,617 (2022)
Projected traffic102,800 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Crosby Road over I-5 (hwy 1) built?

It was built in 1973, making it 52 years old in 2025.

What condition is Crosby Road over I-5 (hwy 1) 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 August 2024.

How much traffic does Crosby Road over I-5 (hwy 1) carry?

About 91,617 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Crosby Road over I-5 (hwy 1)?

The structure is 350 ft (106.7 m) long with a longest span of 145 ft (44.2 m) and a deck 43 ft wide.

Who owns Crosby Road over I-5 (hwy 1)?

It is owned by the State Highway Agency.