US Bridges

Monitor-Mckee RD over Pudding River

PoorPosted for load

Marion County, Oregon · 043 MI S-E I-5 HWY214 JCT · Structure no. 47C37 543

Built
1950
75 years old
Condition
Poor
inspected March 2023
Type
Truss - Thru
Steel
Length
169 ft
1 main span
Daily traffic
2,663
2020 count
Owner
County
County Highway Agency

About this bridge

Monitor-Mckee RD over Pudding River is a steel truss - thru carrying Monitor-Mckee RD over Pudding River in Marion County, Oregon. It was built in 1950, so it is 75 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 2,663 vehicles a day, roughly 5% of them trucks, projected to reach 2,993 by 2025. The structure is 169 ft (51.5 m) long and 23 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesMonitor-Mckee RD
CrossesPudding River
Location043 MI S-E I-5 HWY214 JCT
RouteCounty Highway C0543
StateOregon
Coordinates45.10047, -122.83096
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.4 US tons
Inventory rating15.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 20
Structure length169 ft (51.5 m)
Longest span120 ft (36.6 m)
Deck width23 ft (6.9 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic2,663 (2020)
Projected traffic2,993 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$840,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Monitor-Mckee RD over Pudding River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Monitor-Mckee RD over Pudding River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Monitor-Mckee RD over Pudding River carry?

About 2,663 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Monitor-Mckee RD over Pudding River?

The structure is 169 ft (51.5 m) long with a longest span of 120 ft (36.6 m) and a deck 23 ft wide.

Who owns Monitor-Mckee RD over Pudding River?

It is owned by the County Highway Agency.