US Bridges

Cheney Creek Road over Cheney Creek

Good

Josephine County, Oregon · Josephine CO · Structure no. 398010398000092

Built
1973
52 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
843
2020 count
Owner
County
County Highway Agency

About this bridge

Cheney Creek Road over Cheney Creek is a prestressed concrete slab carrying Cheney Creek Road over Cheney Creek in Josephine County, Oregon. It was built in 1973, so it is 52 years old, older 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 843 vehicles a day, roughly 10% of them trucks, projected to reach 993 by 2025. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCheney Creek Road
CrossesCheney Creek
LocationJosephine CO
RouteCounty Highway C3980
StateOregon
Coordinates42.35691, -123.45658
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 protection7 GoodSome minor problems.
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 rating50.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic843 (2020)
Projected traffic993 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Cheney Creek Road over Cheney Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Cheney Creek Road over Cheney 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 Cheney Creek Road over Cheney Creek carry?

About 843 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Cheney Creek Road over Cheney Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns Cheney Creek Road over Cheney Creek?

It is owned by the County Highway Agency.