US Bridges

US 97 (hwy 004) NB over Cottonwood RD

Good

Deschutes County, Oregon · HWY 004 NB at MP 151.30 · Structure no. 20552 004 15130

Built
2009
16 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
8,364
2022 count
Owner
State
State Highway Agency

About this bridge

US 97 (hwy 004) NB over Cottonwood RD is a prestressed concrete slab carrying US 97 (hwy 004) NB over Cottonwood RD in Deschutes County, Oregon. It was built in 2009, so it is 16 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,364 vehicles a day, roughly 6% of them trucks, projected to reach 10,050 by 2042. The structure is 65 ft (19.8 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesUS 97 (hwy 004) NB
CrossesCottonwood RD
LocationHWY 004 NB at MP 151.30
RouteU.S. Route 97
CountyDeschutes County
StateOregon
Coordinates43.8893, -121.3806
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating76.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span63 ft (19.2 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,364 (2022)
Projected traffic10,050 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 97 (hwy 004) NB over Cottonwood RD built?

It was built in 2009, making it 16 years old in 2025.

What condition is US 97 (hwy 004) NB over Cottonwood RD in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does US 97 (hwy 004) NB over Cottonwood RD carry?

About 8,364 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is US 97 (hwy 004) NB over Cottonwood RD?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.2 m) and a deck 44 ft wide.

Who owns US 97 (hwy 004) NB over Cottonwood RD?

It is owned by the State Highway Agency.