US Bridges

US 97 (hwy 004)SB over Willow Creek

Fair

Jefferson County, Oregon · In Madras · Structure no. 00971B004 09213

Built
1966
59 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
10,393
2022 count
Owner
State
State Highway Agency

About this bridge

US 97 (hwy 004)SB over Willow Creek is a prestressed concrete stringer/multi-beam or girder carrying US 97 (hwy 004)SB over Willow Creek in Jefferson County, Oregon. It was built in 1966, 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 10,393 vehicles a day, roughly 20% of them trucks, projected to reach 10,600 by 2042. The structure is 52 ft (15.8 m) long and 55 ft wide.

CarriesUS 97 (hwy 004)SB
CrossesWillow Creek
LocationIn Madras
RouteU.S. Route 26
StateOregon
Coordinates44.63834, -121.12998
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span52 ft (15.8 m)
Deck width55 ft (16.9 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,393 (2022)
Projected traffic10,600 by 2042
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 97 (hwy 004)SB over Willow Creek built?

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

What condition is US 97 (hwy 004)SB over Willow Creek 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 US 97 (hwy 004)SB over Willow Creek carry?

About 10,393 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is US 97 (hwy 004)SB over Willow Creek?

The structure is 52 ft (15.8 m) long with a longest span of 52 ft (15.8 m) and a deck 55 ft wide.

Who owns US 97 (hwy 004)SB over Willow Creek?

It is owned by the State Highway Agency.