US Bridges

County RD 507 over Kanutchan Creek

Fair

Jackson County, Oregon · 2.06 Milepost · Structure no. 29C275524 00206

Built
1978
47 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
101
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 507 over Kanutchan Creek is a prestressed concrete slab carrying County RD 507 over Kanutchan Creek in Jackson County, Oregon. It was built in 1978, so it is 47 years old, younger 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 101 vehicles a day, roughly 10% of them trucks, projected to reach 118 by 2025. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty RD 507
CrossesKanutchan Creek
Location2.06 Milepost
RouteCounty Highway C0524
StateOregon
Coordinates42.48712, -122.70808
Functional classRural Local

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating72.9 US tons
Inventory rating56.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101 (2020)
Projected traffic118 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 County RD 507 over Kanutchan Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is County RD 507 over Kanutchan 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 June 2023.

How much traffic does County RD 507 over Kanutchan Creek carry?

About 101 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD 507 over Kanutchan Creek?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 28 ft wide.

Who owns County RD 507 over Kanutchan Creek?

It is owned by the County Highway Agency.