US Bridges

Or 99E (hwy 81) over Pudding R. Relief Chan.

FairPosted for load

Marion County, Oregon · 001 MI S Clack Marion LN · Structure no. 01830 01E 02481

Built
1922
103 years old, rebuilt 1932
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
8,230
2022 count
Owner
State
State Highway Agency

About this bridge

Or 99E (hwy 81) over Pudding R. Relief Chan. is a concrete continuous tee beam carrying Or 99E (hwy 81) over Pudding R. Relief Chan. in Marion County, Oregon. It was built in 1922 and reconstructed in 1932, so it is 103 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: posted for other load-capacity restriction.

It carries about 8,230 vehicles a day, roughly 9% of them trucks, projected to reach 8,300 by 2042. The structure is 75 ft (22.9 m) long and 49 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesOr 99E (hwy 81)
CrossesPudding R. Relief Chan.
Location001 MI S Clack Marion LN
RouteState Highway 99
CountyMarion County
StateOregon
Coordinates45.2329, -122.75285
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.3 US tons
Inventory rating15 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width49 ft (15 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,230 (2022)
Projected traffic8,300 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 99E (hwy 81) over Pudding R. Relief Chan. built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1932.

What condition is Or 99E (hwy 81) over Pudding R. Relief Chan. 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 2023.

How much traffic does Or 99E (hwy 81) over Pudding R. Relief Chan. carry?

About 8,230 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Or 99E (hwy 81) over Pudding R. Relief Chan.?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 49 ft wide.

Who owns Or 99E (hwy 81) over Pudding R. Relief Chan.?

It is owned by the State Highway Agency.