US Bridges

County RD 115 over Coprr - Spur RD 115B

Fair

Douglas County, Oregon · 0.4 MI W Winchester Exit · Structure no. 19C408 115 045

Built
1969
56 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
230 ft
1 main span
Daily traffic
5,041
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 115 over Coprr - Spur RD 115B is a prestressed concrete box beam or girders - multiple carrying County RD 115 over Coprr - Spur RD 115B 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 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 5,041 vehicles a day, roughly 15% of them trucks, projected to reach 5,687 by 2025. The structure is 230 ft (70.1 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty RD 115
CrossesCoprr - Spur RD 115B
Location0.4 MI W Winchester Exit
RouteCounty Highway 0A402
StateOregon
Coordinates43.2879, -123.364
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span87 ft (26.5 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,041 (2020)
Projected traffic5,687 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County RD 115 over Coprr - Spur RD 115B built?

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

What condition is County RD 115 over Coprr - Spur RD 115B 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 April 2023.

How much traffic does County RD 115 over Coprr - Spur RD 115B carry?

About 5,041 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is County RD 115 over Coprr - Spur RD 115B?

The structure is 230 ft (70.1 m) long with a longest span of 87 ft (26.5 m) and a deck 36 ft wide.

Who owns County RD 115 over Coprr - Spur RD 115B?

It is owned by the County Highway Agency.