US Bridges

Dever-Conner Road over Crooks Creek

Poor

Linn County, Oregon · 0167 West I-5 · Structure no. 34167 003400167

Built
1976
49 years old
Condition
Poor
inspected October 2024
Type
Slab
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
566
2021 count
Owner
County
County Highway Agency

About this bridge

Dever-Conner Road over Crooks Creek is a prestressed concrete slab carrying Dever-Conner Road over Crooks Creek in Linn County, Oregon. It was built in 1976, so it is 49 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 566 vehicles a day, roughly 15% of them trucks, projected to reach 798 by 2041. The structure is 60 ft (18.3 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDever-Conner Road
CrossesCrooks Creek
Location0167 West I-5
RouteCounty Highway A0500
StateOregon
Coordinates44.71924, -123.08583
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span29 ft (8.8 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic566 (2021)
Projected traffic798 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dever-Conner Road over Crooks Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Dever-Conner Road over Crooks Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Dever-Conner Road over Crooks Creek carry?

About 566 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Dever-Conner Road over Crooks Creek?

The structure is 60 ft (18.3 m) long with a longest span of 29 ft (8.8 m) and a deck 36 ft wide.

Who owns Dever-Conner Road over Crooks Creek?

It is owned by the County Highway Agency.