US Bridges

Riverview Drive over Willamette River Overflo

Fair

Lane County, Oregon · 050 MI SE Junction City · Structure no. 39C308313500050

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
112 ft
4 main spans
Daily traffic
193
2020 count
Owner
County
County Highway Agency

About this bridge

Riverview Drive over Willamette River Overflo is a prestressed concrete slab carrying Riverview Drive over Willamette River Overflo in Lane County, Oregon. It was built in 1974, so it is 51 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 193 vehicles a day, projected to reach 221 by 2025. The structure is 112 ft (34.1 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRiverview Drive
CrossesWillamette River Overflo
Location050 MI SE Junction City
RouteCounty Highway C3135
CountyLane County
StateOregon
Coordinates44.17691, -123.15479
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans4
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span28 ft (8.5 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic193 (2020)
Projected traffic221 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$574,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Riverview Drive over Willamette River Overflo built?

It was built in 1974, making it 51 years old in 2025.

What condition is Riverview Drive over Willamette River Overflo 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 July 2024.

How much traffic does Riverview Drive over Willamette River Overflo carry?

About 193 vehicles per day (2020 count).

How long is Riverview Drive over Willamette River Overflo?

The structure is 112 ft (34.1 m) long with a longest span of 28 ft (8.5 m) and a deck 20 ft wide.

Who owns Riverview Drive over Willamette River Overflo?

It is owned by the County Highway Agency.