US Bridges

Sisemore Road over Tumalo Res Feed Canal

FairPosted for load

Deschutes County, Oregon · 0.12 MI Sou Tumalo Res RD · Structure no. 17C5700A0900025

Built
1983
42 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
34 ft
2 main spans
Daily traffic
34
2020 count
Owner
County
County Highway Agency

About this bridge

Sisemore Road over Tumalo Res Feed Canal is a steel continuous stringer/multi-beam or girder carrying Sisemore Road over Tumalo Res Feed Canal in Deschutes County, Oregon. It was built in 1983, so it is 42 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 34 vehicles a day, roughly 2% of them trucks, projected to reach 39 by 2025. The structure is 34 ft (10.4 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesSisemore Road
CrossesTumalo Res Feed Canal
Location0.12 MI Sou Tumalo Res RD
RouteCounty Highway 1106
CountyDeschutes County
StateOregon
Coordinates44.13662, -121.41442
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.3 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span15 ft (4.6 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2020)
Projected traffic39 by 2025
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$174,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sisemore Road over Tumalo Res Feed Canal built?

It was built in 1983, making it 42 years old in 2025.

What condition is Sisemore Road over Tumalo Res Feed Canal 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 March 2024.

How much traffic does Sisemore Road over Tumalo Res Feed Canal carry?

About 34 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Sisemore Road over Tumalo Res Feed Canal?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.6 m) and a deck 18 ft wide.

Who owns Sisemore Road over Tumalo Res Feed Canal?

It is owned by the County Highway Agency.