US Bridges

Chadwick Lane over I-5 (hwy 001)

Fair

Douglas County, Oregon · 05.7 MI N Canyonville Ncl · Structure no. 08023 001 10485

Built
1958
67 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete Continuous
Length
234 ft
5 main spans
Daily traffic
17,224
2022 count
Owner
State
State Highway Agency

About this bridge

Chadwick Lane over I-5 (hwy 001) is a concrete continuous tee beam carrying Chadwick Lane over I-5 (hwy 001) in Douglas 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 17,224 vehicles a day, roughly 32% of them trucks, projected to reach 19,100 by 2042. The structure is 234 ft (71.3 m) long and 31 ft wide.

CarriesChadwick Lane
CrossesI-5 (hwy 001)
Location05.7 MI N Canyonville Ncl
RouteCounty Highway 0
StateOregon
Coordinates42.98568, -123.33082
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 length234 ft (71.3 m)
Longest span62 ft (18.9 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,224 (2022)
Projected traffic19,100 by 2042
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Chadwick Lane over I-5 (hwy 001) built?

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

What condition is Chadwick Lane over I-5 (hwy 001) 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 January 2025.

How much traffic does Chadwick Lane over I-5 (hwy 001) carry?

About 17,224 vehicles per day (2022 count), of which roughly 32% are trucks.

How long is Chadwick Lane over I-5 (hwy 001)?

The structure is 234 ft (71.3 m) long with a longest span of 62 ft (18.9 m) and a deck 31 ft wide.

Who owns Chadwick Lane over I-5 (hwy 001)?

It is owned by the State Highway Agency.