US Bridges

Monitor-Mckee RD over Butte Creek

Fair

Marion County, Oregon · In Monitor · Structure no. 06206A015 00000

Built
1962
63 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
20,311
2022 count
Owner
County
County Highway Agency

About this bridge

Monitor-Mckee RD over Butte Creek is a concrete continuous slab carrying Monitor-Mckee RD over Butte Creek in Marion County, Oregon. It was built in 1962, so it is 63 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.

It carries about 20,311 vehicles a day, roughly 13% of them trucks, projected to reach 27,200 by 2042. The structure is 110 ft (33.5 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMonitor-Mckee RD
CrossesButte Creek
LocationIn Monitor
RouteCounty Highway A0595
StateOregon
Coordinates45.10155, -122.74609
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span43 ft (13.1 m)
Deck width35 ft (10.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,311 (2022)
Projected traffic27,200 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$564,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Monitor-Mckee RD over Butte Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Monitor-Mckee RD over Butte 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 Butte Creek carry?

About 20,311 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Monitor-Mckee RD over Butte Creek?

The structure is 110 ft (33.5 m) long with a longest span of 43 ft (13.1 m) and a deck 35 ft wide.

Who owns Monitor-Mckee RD over Butte Creek?

It is owned by the County Highway Agency.