US Bridges

So. Main Street over Canyon Creek

Fair

Douglas County, Oregon · City of Canyonville · Structure no. 00548A000 00000

Built
1921
104 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
90 ft
2 main spans
Daily traffic
4,363
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

So. Main Street over Canyon Creek is a concrete continuous tee beam carrying So. Main Street over Canyon Creek in Douglas County, Oregon. It was built in 1921, so it is 104 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 4,363 vehicles a day, roughly 1% of them trucks, projected to reach 4,933 by 2025. The structure is 90 ft (27.4 m) long and 23 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSo. Main Street
CrossesCanyon Creek
LocationCity of Canyonville
RouteCity Street C0000
CountyDouglas County
StateOregon
Coordinates42.92482, -123.27696
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length90 ft (27.4 m)
Longest span45 ft (13.7 m)
Deck width23 ft (7 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,363 (2020)
Projected traffic4,933 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$461,000
NavigationNo navigation control on waterway

Frequently asked questions

When was So. Main Street over Canyon Creek built?

It was built in 1921, making it 104 years old in 2025.

What condition is So. Main Street over Canyon Creek 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 June 2023.

How much traffic does So. Main Street over Canyon Creek carry?

About 4,363 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is So. Main Street over Canyon Creek?

The structure is 90 ft (27.4 m) long with a longest span of 45 ft (13.7 m) and a deck 23 ft wide.

Who owns So. Main Street over Canyon Creek?

It is owned by the City or Municipal Highway Agency.