US Bridges

Row River RD over Row River

Fair

Lane County, Oregon · 020 MI E Cottage Grove · Structure no. 14964B240000203

Built
1961
64 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
215 ft
3 main spans
Daily traffic
7,459
2020 count
Owner
County
County Highway Agency

About this bridge

Row River RD over Row River is a concrete continuous tee beam carrying Row River RD over Row River in Lane County, Oregon. It was built in 1961, so it is 64 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 7,459 vehicles a day, roughly 10% of them trucks, projected to reach 10,615 by 2025. The structure is 215 ft (65.5 m) long and 31 ft wide.

CarriesRow River RD
CrossesRow River
Location020 MI E Cottage Grove
RouteCounty Highway A0471
StateOregon
Coordinates43.78913, -123.02456
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 20
Structure length215 ft (65.5 m)
Longest span58 ft (17.7 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,459 (2020)
Projected traffic10,615 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Row River RD over Row River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Row River RD over Row River 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 September 2024.

How much traffic does Row River RD over Row River carry?

About 7,459 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Row River RD over Row River?

The structure is 215 ft (65.5 m) long with a longest span of 58 ft (17.7 m) and a deck 31 ft wide.

Who owns Row River RD over Row River?

It is owned by the County Highway Agency.