US Bridges

Or 99E (hwy 58) over Calapooia Bottoms No. 5

Fair

Linn County, Oregon · 034 MI S Tangent · Structure no. 00565 058 01210

Built
1963
62 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
38 ft
2 main spans
Daily traffic
3,487
2022 count
Owner
State
State Highway Agency

About this bridge

Or 99E (hwy 58) over Calapooia Bottoms No. 5 is a concrete channel beam carrying Or 99E (hwy 58) over Calapooia Bottoms No. 5 in Linn 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.

It carries about 3,487 vehicles a day, roughly 14% of them trucks, projected to reach 3,600 by 2042. The structure is 38 ft (11.6 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesOr 99E (hwy 58)
CrossesCalapooia Bottoms No. 5
Location034 MI S Tangent
RouteState Highway 99
CountyLinn County
StateOregon
Coordinates44.49381, -123.10856
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.
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 statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,487 (2022)
Projected traffic3,600 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 99E (hwy 58) over Calapooia Bottoms No. 5 built?

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

What condition is Or 99E (hwy 58) over Calapooia Bottoms No. 5 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 Or 99E (hwy 58) over Calapooia Bottoms No. 5 carry?

About 3,487 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Or 99E (hwy 58) over Calapooia Bottoms No. 5?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns Or 99E (hwy 58) over Calapooia Bottoms No. 5?

It is owned by the State Highway Agency.