US Bridges

Chemawa RD over Claggett CR

Fair

Marion County, Oregon · 0.6 MI E N River RD · Structure no. 20639 000 00060

Built
2008
17 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
121 ft
2 main spans
Daily traffic
11,482
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Chemawa RD over Claggett CR is a prestressed concrete slab carrying Chemawa RD over Claggett CR in Marion County, Oregon. It was built in 2008, so it is 17 years old, younger 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 11,482 vehicles a day, roughly 5% of them trucks, projected to reach 12,802 by 2025. The structure is 121 ft (36.9 m) long and 61 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesChemawa RD
CrossesClaggett CR
Location0.6 MI E N River RD
RouteCity Street C0000
StateOregon
Coordinates44.99695, -123.0144
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.8 US tons
Inventory rating59.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length121 ft (36.9 m)
Longest span60 ft (18.4 m)
Deck width61 ft (18.6 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,482 (2020)
Projected traffic12,802 by 2025
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway 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 Chemawa RD over Claggett CR built?

It was built in 2008, making it 17 years old in 2025.

What condition is Chemawa RD over Claggett CR 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 Chemawa RD over Claggett CR carry?

About 11,482 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Chemawa RD over Claggett CR?

The structure is 121 ft (36.9 m) long with a longest span of 60 ft (18.4 m) and a deck 61 ft wide.

Who owns Chemawa RD over Claggett CR?

It is owned by the City or Municipal Highway Agency.