US Bridges

Division Street over North Unit Main Canal

Fair

Deschutes County, Oregon · 013 Mi. South of Hwy. 97 · Structure no. 17B002000000000

Built
1935
90 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
23,351
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Division Street over North Unit Main Canal is a concrete slab carrying Division Street over North Unit Main Canal in Deschutes County, Oregon. It was built in 1935, so it is 90 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 23,351 vehicles a day, roughly 15% of them trucks, projected to reach 39,639 by 2025. The structure is 23 ft (7 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDivision Street
CrossesNorth Unit Main Canal
Location013 Mi. South of Hwy. 97
RouteCity Street 3317
StateOregon
Coordinates44.07665, -121.30524
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width45 ft (13.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,351 (2020)
Projected traffic39,639 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$118,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Division Street over North Unit Main Canal built?

It was built in 1935, making it 90 years old in 2025.

What condition is Division Street over North Unit Main 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 February 2023.

How much traffic does Division Street over North Unit Main Canal carry?

About 23,351 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Division Street over North Unit Main Canal?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 45 ft wide.

Who owns Division Street over North Unit Main Canal?

It is owned by the City or Municipal Highway Agency.