US Bridges

Monitor-Mckee RD over Small Creek

FairPosted for load

Marion County, Oregon · 042 MI S-E I-5&HWY214 JCT · Structure no. 47C36 543

Built
1966
59 years old
Condition
Fair
inspected August 2024
Type
Slab
Wood or Timber
Length
44 ft
2 main spans
Daily traffic
2,663
2020 count
Owner
County
County Highway Agency

About this bridge

Monitor-Mckee RD over Small Creek is a wood or timber slab carrying Monitor-Mckee RD over Small Creek in Marion County, Oregon. It was built in 1966, so it is 59 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 2,663 vehicles a day, roughly 3% of them trucks, projected to reach 2,993 by 2025. The structure is 44 ft (13.4 m) long and 25 ft wide.

CarriesMonitor-Mckee RD
CrossesSmall Creek
Location042 MI S-E I-5&HWY214 JCT
RouteCounty Highway C0543
StateOregon
Coordinates45.10067, -122.83467
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.2 US tons
Inventory rating13.9 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 20
Structure length44 ft (13.4 m)
Longest span22 ft (6.7 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,663 (2020)
Projected traffic2,993 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Monitor-Mckee RD over Small Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Monitor-Mckee RD over Small Creek 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 August 2024.

How much traffic does Monitor-Mckee RD over Small Creek carry?

About 2,663 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Monitor-Mckee RD over Small Creek?

The structure is 44 ft (13.4 m) long with a longest span of 22 ft (6.7 m) and a deck 25 ft wide.

Who owns Monitor-Mckee RD over Small Creek?

It is owned by the County Highway Agency.