US Bridges

County RD 16 over SPRR

Good

Douglas County, Oregon · 1.1 MI SE Kelleys Korner · Structure no. 19C407 16 1221

Built
1969
56 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
205 ft
1 main span
Daily traffic
2,612
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 16 over SPRR is a prestressed concrete box beam or girders - multiple carrying County RD 16 over SPRR in Douglas County, Oregon. It was built in 1969, so it is 56 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 2,612 vehicles a day, roughly 5% of them trucks, projected to reach 2,952 by 2025. The structure is 205 ft (62.5 m) long and 36 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesCounty RD 16
CrossesSPRR
Location1.1 MI SE Kelleys Korner
RouteCounty Highway 0A392
CountyDouglas County
StateOregon
Coordinates43.13234, -123.37284
Functional classUrban 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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span73 ft (22.3 m)
Deck width36 ft (11 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,612 (2020)
Projected traffic2,952 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was County RD 16 over SPRR built?

It was built in 1969, making it 56 years old in 2025.

What condition is County RD 16 over SPRR 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 July 2023.

How much traffic does County RD 16 over SPRR carry?

About 2,612 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is County RD 16 over SPRR?

The structure is 205 ft (62.5 m) long with a longest span of 73 ft (22.3 m) and a deck 36 ft wide.

Who owns County RD 16 over SPRR?

It is owned by the County Highway Agency.