US Bridges

I-5 (hwy 001) SB over Row River RD

Fair

Lane County, Oregon · In Cottage Grove · Structure no. 07833A001 17474

Built
1956
69 years old, rebuilt 1962
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
18,955
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 001) SB over Row River RD is a concrete continuous slab carrying I-5 (hwy 001) SB over Row River RD in Lane County, Oregon. It was built in 1956 and reconstructed in 1962, 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 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 18,955 vehicles a day, roughly 26% of them trucks, projected to reach 19,850 by 2042. The structure is 100 ft (30.5 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-5 (hwy 001) SB
CrossesRow River RD
LocationIn Cottage Grove
RouteInterstate 5
CountyLane County
StateOregon
Coordinates43.80434, -123.04318
Functional classUrban 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.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span40 ft (12.2 m)
Deck width50 ft (15.2 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,955 (2022)
Projected traffic19,850 by 2042
Trucks26%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$512,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 (hwy 001) SB over Row River RD built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1962.

What condition is I-5 (hwy 001) SB over Row River RD 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) SB over Row River RD carry?

About 18,955 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is I-5 (hwy 001) SB over Row River RD?

The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.2 m) and a deck 50 ft wide.

Who owns I-5 (hwy 001) SB over Row River RD?

It is owned by the State Highway Agency.