US Bridges

Or 99E (hwy 58) over Lake Creek

Fair

Linn County, Oregon · 010 MI S Tangent · Structure no. 00738 058 00981

Built
1922
103 years old, rebuilt 1936
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
70 ft
2 main spans
Daily traffic
3,351
2022 count
Owner
State
State Highway Agency

About this bridge

Or 99E (hwy 58) over Lake Creek is a concrete continuous tee beam carrying Or 99E (hwy 58) over Lake Creek in Linn County, Oregon. It was built in 1922 and reconstructed in 1936, 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 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 3,351 vehicles a day, roughly 15% of them trucks, projected to reach 5,500 by 2042. The structure is 70 ft (21.3 m) long and 33 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesOr 99E (hwy 58)
CrossesLake Creek
Location010 MI S Tangent
RouteState Highway 99
CountyLinn County
StateOregon
Coordinates44.52686, -123.11013
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length70 ft (21.3 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,351 (2022)
Projected traffic5,500 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$359,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 99E (hwy 58) over Lake Creek built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1936.

What condition is Or 99E (hwy 58) over Lake 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 Or 99E (hwy 58) over Lake Creek carry?

About 3,351 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Or 99E (hwy 58) over Lake Creek?

The structure is 70 ft (21.3 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns Or 99E (hwy 58) over Lake Creek?

It is owned by the State Highway Agency.