US Bridges

County RD 616 over Cottonwood Cr.

Fair

Jackson County, Oregon · 4.70 Milepost · Structure no. 21425 616 00470

Built
2009
16 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
166
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 616 over Cottonwood Cr. is a prestressed concrete slab carrying County RD 616 over Cottonwood Cr. in Jackson County, Oregon. It was built in 2009, so it is 16 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 166 vehicles a day, projected to reach 193 by 2025. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesCounty RD 616
CrossesCottonwood Cr.
Location4.70 Milepost
RouteCounty Highway C0616
StateOregon
Coordinates42.04672, -122.63783
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span20 ft (6.2 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic166 (2020)
Projected traffic193 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 616 over Cottonwood Cr. built?

It was built in 2009, making it 16 years old in 2025.

What condition is County RD 616 over Cottonwood Cr. 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 July 2023.

How much traffic does County RD 616 over Cottonwood Cr. carry?

About 166 vehicles per day (2020 count).

How long is County RD 616 over Cottonwood Cr.?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.2 m) and a deck 32 ft wide.

Who owns County RD 616 over Cottonwood Cr.?

It is owned by the County Highway Agency.