US Bridges

Clover Crk RD C536 over Clover Creek

Fair

Malheur County, Oregon · 026 M NW Westfall Post · Structure no. 45C147053600258

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Channel Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
55
2020 count
Owner
County
County Highway Agency

About this bridge

Clover Crk RD C536 over Clover Creek is a prestressed concrete channel beam carrying Clover Crk RD C536 over Clover Creek in Malheur County, Oregon. It was built in 1975, so it is 50 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: open, posting recommended but not legally implemented.

It carries about 55 vehicles a day, roughly 20% of them trucks, projected to reach 64 by 2025. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesClover Crk RD C536
CrossesClover Creek
Location026 M NW Westfall Post
RouteCounty Highway C0536
CountyMalheur County
StateOregon
Coordinates44.02712, -117.72793
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
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 alignment8: Equal to present desirable criteria
Operating rating31.3 US tons
Inventory rating24.1 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2020)
Projected traffic64 by 2025
Trucks20%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$154,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Clover Crk RD C536 over Clover Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Clover Crk RD C536 over Clover 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 September 2023.

How much traffic does Clover Crk RD C536 over Clover Creek carry?

About 55 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Clover Crk RD C536 over Clover Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 18 ft wide.

Who owns Clover Crk RD C536 over Clover Creek?

It is owned by the County Highway Agency.