US Bridges

Pleasant Valley RD over Mcdowell Creek

Good

Linn County, Oregon · 048 Miles North CR 906 · Structure no. 11915 074900483

Built
1955
70 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
498
2021 count
Owner
County
County Highway Agency

About this bridge

Pleasant Valley RD over Mcdowell Creek is a concrete continuous tee beam carrying Pleasant Valley RD over Mcdowell Creek in Linn County, Oregon. It was built in 1955, so it is 70 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 498 vehicles a day, roughly 10% of them trucks, projected to reach 578 by 2041. The structure is 110 ft (33.5 m) long and 25 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesPleasant Valley RD
CrossesMcdowell Creek
Location048 Miles North CR 906
RouteCounty Highway A0483
StateOregon
Coordinates44.46103, -122.76799
Functional classRural Major 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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length110 ft (33.5 m)
Longest span43 ft (13.1 m)
Deck width25 ft (7.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic498 (2021)
Projected traffic578 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Pleasant Valley RD over Mcdowell Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Pleasant Valley RD over Mcdowell 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 June 2023.

How much traffic does Pleasant Valley RD over Mcdowell Creek carry?

About 498 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Pleasant Valley RD over Mcdowell Creek?

The structure is 110 ft (33.5 m) long with a longest span of 43 ft (13.1 m) and a deck 25 ft wide.

Who owns Pleasant Valley RD over Mcdowell Creek?

It is owned by the County Highway Agency.