US Bridges

Or 36 (hwy 229) over Lingo Slough

Fair

Lane County, Oregon · 00.5 E Cheshire Po · Structure no. 20379 229 04826

Built
2007
18 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
156 ft
3 main spans
Daily traffic
3,445
2022 count
Owner
State
State Highway Agency

About this bridge

Or 36 (hwy 229) over Lingo Slough is a prestressed concrete slab carrying Or 36 (hwy 229) over Lingo Slough in Lane County, Oregon. It was built in 2007, so it is 18 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 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 3,445 vehicles a day, roughly 15% of them trucks, projected to reach 3,700 by 2042. The structure is 156 ft (47.5 m) long and 48 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesOr 36 (hwy 229)
CrossesLingo Slough
Location00.5 E Cheshire Po
RouteState Highway 36
CountyLane County
StateOregon
Coordinates44.19142, -123.26965
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length156 ft (47.5 m)
Longest span52 ft (15.8 m)
Deck width48 ft (14.6 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,445 (2022)
Projected traffic3,700 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 36 (hwy 229) over Lingo Slough built?

It was built in 2007, making it 18 years old in 2025.

What condition is Or 36 (hwy 229) over Lingo Slough 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 July 2024.

How much traffic does Or 36 (hwy 229) over Lingo Slough carry?

About 3,445 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Or 36 (hwy 229) over Lingo Slough?

The structure is 156 ft (47.5 m) long with a longest span of 52 ft (15.8 m) and a deck 48 ft wide.

Who owns Or 36 (hwy 229) over Lingo Slough?

It is owned by the State Highway Agency.