US Bridges

Old HWY 97 over Hay Creek

Fair

Jefferson County, Oregon · 1.0 MI NE of Hay Creek RD · Structure no. 00813 509 00174

Built
1923
102 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete Continuous
Length
75 ft
2 main spans
Daily traffic
2,116
2020 count
Owner
County
County Highway Agency

About this bridge

Old HWY 97 over Hay Creek is a concrete continuous tee beam carrying Old HWY 97 over Hay Creek in Jefferson County, Oregon. It was built in 1923, so it is 102 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 2,116 vehicles a day, roughly 15% of them trucks, projected to reach 2,408 by 2025. The structure is 75 ft (22.9 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesOld HWY 97
CrossesHay Creek
Location1.0 MI NE of Hay Creek RD
RouteCounty Highway 0
CountyJefferson County
StateOregon
Coordinates44.756, -120.96918
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.4 US tons
Inventory rating16.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length75 ft (22.9 m)
Longest span38 ft (11.6 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,116 (2020)
Projected traffic2,408 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$384,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old HWY 97 over Hay Creek built?

It was built in 1923, making it 102 years old in 2025.

What condition is Old HWY 97 over Hay 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 November 2024.

How much traffic does Old HWY 97 over Hay Creek carry?

About 2,116 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Old HWY 97 over Hay Creek?

The structure is 75 ft (22.9 m) long with a longest span of 38 ft (11.6 m) and a deck 22 ft wide.

Who owns Old HWY 97 over Hay Creek?

It is owned by the County Highway Agency.