US Bridges

Mcnary Estates Dr. over Claggett CR

Good

Marion County, Oregon · 0.14 MI W N River RD · Structure no. 21279 000 00014

Built
1985
40 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
200 ft
5 main spans
Daily traffic
779
2020 count
Owner
Local
Other Local Agency

About this bridge

Mcnary Estates Dr. over Claggett CR is a prestressed concrete slab carrying Mcnary Estates Dr. over Claggett CR in Marion County, Oregon. It was built in 1985, so it is 40 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 779 vehicles a day, projected to reach 869 by 2025. The structure is 200 ft (61 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMcnary Estates Dr.
CrossesClaggett CR
Location0.14 MI W N River RD
RouteCity Street C0000
CountyMarion County
StateOregon
Coordinates45.01086, -123.02408
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
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 rating74 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic779 (2020)
Projected traffic869 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcnary Estates Dr. over Claggett CR built?

It was built in 1985, making it 40 years old in 2025.

What condition is Mcnary Estates Dr. over Claggett CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Mcnary Estates Dr. over Claggett CR carry?

About 779 vehicles per day (2020 count).

How long is Mcnary Estates Dr. over Claggett CR?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Mcnary Estates Dr. over Claggett CR?

It is owned by the Other Local Agency.