US Bridges

75th Pl SE over Beaver Creek

FairPosted for load

Marion County, Oregon · 051 E Delaney Rd- I-5 JCT · Structure no. 47C69 858

Built
1963
62 years old
Condition
Fair
inspected August 2024
Type
Slab
Wood or Timber
Length
45 ft
3 main spans
Daily traffic
209
2020 count
Owner
County
County Highway Agency

About this bridge

75th Pl SE over Beaver Creek is a wood or timber slab carrying 75th Pl SE over Beaver Creek in Marion County, Oregon. It was built in 1963, so it is 62 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 5 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 209 vehicles a day, roughly 5% of them trucks, projected to reach 233 by 2025. The structure is 45 ft (13.7 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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Carries75th Pl SE
CrossesBeaver Creek
Location051 E Delaney Rd- I-5 JCT
RouteCounty Highway C0858
CountyMarion County
StateOregon
Coordinates44.84567, -122.90561
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20 + Mod
Structure length45 ft (13.7 m)
Longest span16 ft (4.9 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209 (2020)
Projected traffic233 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$299,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 75th Pl SE over Beaver Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is 75th Pl SE over Beaver 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 75th Pl SE over Beaver Creek carry?

About 209 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 75th Pl SE over Beaver Creek?

The structure is 45 ft (13.7 m) long with a longest span of 16 ft (4.9 m) and a deck 24 ft wide.

Who owns 75th Pl SE over Beaver Creek?

It is owned by the County Highway Agency.