US Bridges

Winona Road over Jumpoff Joe Creek

Good

Josephine County, Oregon · T35S-R5W-S35 Josephine CO · Structure no. 33C32 204000373

Built
1977
48 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
640
2020 count
Owner
County
County Highway Agency

About this bridge

Winona Road over Jumpoff Joe Creek is a prestressed concrete slab carrying Winona Road over Jumpoff Joe Creek in Josephine County, Oregon. It was built in 1977, so it is 48 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 640 vehicles a day, roughly 10% of them trucks, projected to reach 755 by 2025. The structure is 33 ft (10.1 m) long and 32 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesWinona Road
CrossesJumpoff Joe Creek
LocationT35S-R5W-S35 Josephine CO
RouteCounty Highway A3350
StateOregon
Coordinates42.56118, -123.30869
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2020)
Projected traffic755 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Winona Road over Jumpoff Joe Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Winona Road over Jumpoff Joe Creek 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 October 2024.

How much traffic does Winona Road over Jumpoff Joe Creek carry?

About 640 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Winona Road over Jumpoff Joe Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns Winona Road over Jumpoff Joe Creek?

It is owned by the County Highway Agency.