US Bridges

Summit DR over SPRR

FairPosted for load

Clackamas County, Oregon · 00.1 MI S of Iron Mt Blvd · Structure no. 06575 000 00012

Built
1954
71 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
1 main span
Daily traffic
993
2020 count
Owner
County
County Highway Agency

About this bridge

Summit DR over SPRR is a steel stringer/multi-beam or girder carrying Summit DR over SPRR in Clackamas County, Oregon. It was built in 1954, so it is 71 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. Its operating status is: posted for load restriction.

It carries about 993 vehicles a day, roughly 1% of them trucks, projected to reach 1,095 by 2025. The structure is 90 ft (27.4 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSummit DR
CrossesSPRR
Location00.1 MI S of Iron Mt Blvd
RouteCounty Highway C1613
CountyClackamas County
StateOregon
Coordinates45.41603, -122.69614
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating21.4 US tons
Inventory rating16.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span38 ft (11.6 m)
Deck width25 ft (7.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic993 (2020)
Projected traffic1,095 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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$461,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Summit DR over SPRR built?

It was built in 1954, making it 71 years old in 2025.

What condition is Summit DR over SPRR 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 May 2023.

How much traffic does Summit DR over SPRR carry?

About 993 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Summit DR over SPRR?

The structure is 90 ft (27.4 m) long with a longest span of 38 ft (11.6 m) and a deck 25 ft wide.

Who owns Summit DR over SPRR?

It is owned by the County Highway Agency.