US Bridges

Dever-Conner Road over I-5 (hwy 1)

Fair

Linn County, Oregon · 055 MI N of Albany · Structure no. 08130 001 23967

Built
1958
67 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete Continuous
Length
304 ft
5 main spans
Daily traffic
66,723
2022 count
Owner
State
State Highway Agency

About this bridge

Dever-Conner Road over I-5 (hwy 1) is a concrete continuous tee beam carrying Dever-Conner Road over I-5 (hwy 1) in Linn County, Oregon. It was built in 1958, so it is 67 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 66,723 vehicles a day, roughly 15% of them trucks, projected to reach 72,400 by 2042. The structure is 304 ft (92.7 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDever-Conner Road
CrossesI-5 (hwy 1)
Location055 MI N of Albany
RouteCounty Highway 0
StateOregon
Coordinates44.72267, -123.05415
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
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 rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length304 ft (92.7 m)
Longest span84 ft (25.6 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,723 (2022)
Projected traffic72,400 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 1958, making it 67 years old in 2025.

What condition is Dever-Conner 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 February 2023.

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

About 66,723 vehicles per day (2022 count), of which roughly 15% are trucks.

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

The structure is 304 ft (92.7 m) long with a longest span of 84 ft (25.6 m) and a deck 31 ft wide.

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

It is owned by the State Highway Agency.