US Bridges

Gazley RD CR#35 over S. Umpqua River Overflow

Fair

Douglas County, Oregon · 1.1 MI N of Canyonville · Structure no. 19C169003500035

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
151 ft
3 main spans
Daily traffic
1,190
2020 count
Owner
County
County Highway Agency

About this bridge

Gazley RD CR#35 over S. Umpqua River Overflow is a steel stringer/multi-beam or girder carrying Gazley RD CR#35 over S. Umpqua River Overflow in Douglas County, Oregon. It was built in 1965, so it is 60 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 1,190 vehicles a day, roughly 5% of them trucks, projected to reach 1,345 by 2025. The structure is 151 ft (46 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesGazley RD CR#35
CrossesS. Umpqua River Overflow
Location1.1 MI N of Canyonville
RouteCounty Highway C0035
StateOregon
Coordinates42.94513, -123.28556
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length151 ft (46 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,190 (2020)
Projected traffic1,345 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gazley RD CR#35 over S. Umpqua River Overflow built?

It was built in 1965, making it 60 years old in 2025.

What condition is Gazley RD CR#35 over S. Umpqua River Overflow 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 Gazley RD CR#35 over S. Umpqua River Overflow carry?

About 1,190 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Gazley RD CR#35 over S. Umpqua River Overflow?

The structure is 151 ft (46 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Gazley RD CR#35 over S. Umpqua River Overflow?

It is owned by the County Highway Agency.