US Bridges

Colorado Ave over Deschutes River

Fair

Deschutes County, Oregon · 018 MI W of HWY 97 · Structure no. 16852 372 00183

Built
1983
42 years old
Condition
Fair
inspected February 2023
Type
Slab
Prestressed Concrete
Length
210 ft
3 main spans
Daily traffic
10,213
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Colorado Ave over Deschutes River is a prestressed concrete slab carrying Colorado Ave over Deschutes River 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.

It carries about 10,213 vehicles a day, roughly 3% of them trucks, projected to reach 11,623 by 2025. The structure is 210 ft (64 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesColorado Ave
CrossesDeschutes River
Location018 MI W of HWY 97
RouteCity Street 0
StateOregon
Coordinates44.04982, -121.3205
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length210 ft (64 m)
Longest span70 ft (21.3 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,213 (2020)
Projected traffic11,623 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Colorado Ave over Deschutes River built?

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

What condition is Colorado Ave over Deschutes River 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 Colorado Ave over Deschutes River carry?

About 10,213 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Colorado Ave over Deschutes River?

The structure is 210 ft (64 m) long with a longest span of 70 ft (21.3 m) and a deck 40 ft wide.

Who owns Colorado Ave over Deschutes River?

It is owned by the City or Municipal Highway Agency.