US Bridges

I-5 (hwy 001) CO over Corp

Fair

Lane County, Oregon · 005 MI S of Cottage Grove · Structure no. 07832 001 17475

Built
1956
69 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
276 ft
6 main spans
Daily traffic
9,367
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 001) CO over Corp is a concrete continuous tee beam carrying I-5 (hwy 001) CO over Corp in Lane County, Oregon. It was built in 1956, so it is 69 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 9,367 vehicles a day, roughly 17% of them trucks, projected to reach 11,600 by 2030. The structure is 276 ft (84.1 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-5 (hwy 001) CO
CrossesCorp
Location005 MI S of Cottage Grove
RouteInterstate 5
CountyLane County
StateOregon
Coordinates43.80567, -123.05203
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length276 ft (84.1 m)
Longest span63 ft (19.2 m)
Deck width35 ft (10.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,367 (2022)
Projected traffic11,600 by 2030
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 (hwy 001) CO over Corp built?

It was built in 1956, making it 69 years old in 2025.

What condition is I-5 (hwy 001) CO over Corp 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 May 2024.

How much traffic does I-5 (hwy 001) CO over Corp carry?

About 9,367 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is I-5 (hwy 001) CO over Corp?

The structure is 276 ft (84.1 m) long with a longest span of 63 ft (19.2 m) and a deck 35 ft wide.

Who owns I-5 (hwy 001) CO over Corp?

It is owned by the State Highway Agency.