US Bridges

Baker Road over Arnold Irr. Canal

Fair

Deschutes County, Oregon · 1 MI West of HWY US 97 · Structure no. 17C35 E19 00100

Built
1966
59 years old, rebuilt 1992
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
7,326
2020 count
Owner
County
County Highway Agency

About this bridge

Baker Road over Arnold Irr. Canal is a prestressed concrete slab carrying Baker Road over Arnold Irr. Canal in Deschutes County, Oregon. It was built in 1966 and reconstructed in 1992, so it is 59 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 7,326 vehicles a day, roughly 2% of them trucks, projected to reach 8,076 by 2025. The structure is 28 ft (8.4 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBaker Road
CrossesArnold Irr. Canal
Location1 MI West of HWY US 97
RouteCounty Highway 3006
StateOregon
Coordinates43.9942, -121.3546
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
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 rating58.2 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span25 ft (7.6 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,326 (2020)
Projected traffic8,076 by 2025
Trucks2%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$141,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Baker Road over Arnold Irr. Canal built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1992.

What condition is Baker Road over Arnold Irr. 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 Baker Road over Arnold Irr. Canal carry?

About 7,326 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Baker Road over Arnold Irr. Canal?

The structure is 28 ft (8.4 m) long with a longest span of 25 ft (7.6 m) and a deck 32 ft wide.

Who owns Baker Road over Arnold Irr. Canal?

It is owned by the County Highway Agency.