US Bridges

SE Cochran RD over Beaver Creek

Good

Multnomah County, Oregon · SE Cochran Rd. · Structure no. 23315 458A00000

Built
2019
6 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
3,256
2013 count
Owner
County
County Highway Agency

About this bridge

SE Cochran RD over Beaver Creek is a prestressed concrete slab carrying SE Cochran RD over Beaver Creek in Multnomah County, Oregon. It was built in 2019, so it is 6 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,256 vehicles a day, roughly 5% of them trucks, projected to reach 3,907 by 2033. The structure is 59 ft (18 m) long and 48 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSE Cochran RD
CrossesBeaver Creek
LocationSE Cochran Rd.
RouteCounty Highway 458A
StateOregon
Coordinates45.50997, -122.39001
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length59 ft (18 m)
Longest span59 ft (18 m)
Deck width48 ft (14.6 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,256 (2013)
Projected traffic3,907 by 2033
Trucks5%
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 SE Cochran RD over Beaver Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is SE Cochran RD over Beaver Creek 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 2024.

How much traffic does SE Cochran RD over Beaver Creek carry?

About 3,256 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is SE Cochran RD over Beaver Creek?

The structure is 59 ft (18 m) long with a longest span of 59 ft (18 m) and a deck 48 ft wide.

Who owns SE Cochran RD over Beaver Creek?

It is owned by the County Highway Agency.