US Bridges

Or 36 (hwy 229) over Long Tom River

Good

Lane County, Oregon · 001 E Cheshire Po · Structure no. 17441 229 04781

Built
1995
30 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
3,445
2022 count
Owner
State
State Highway Agency

About this bridge

Or 36 (hwy 229) over Long Tom River is a prestressed concrete box beam or girders - multiple carrying Or 36 (hwy 229) over Long Tom River in Lane County, Oregon. It was built in 1995, so it is 30 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,445 vehicles a day, roughly 15% of them trucks, projected to reach 3,700 by 2042. The structure is 103 ft (31.4 m) long and 48 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesOr 36 (hwy 229)
CrossesLong Tom River
Location001 E Cheshire Po
RouteState Highway 36
StateOregon
Coordinates44.1905, -123.2785
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating68.9 US tons
Inventory rating53.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length103 ft (31.4 m)
Longest span103 ft (31.4 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.8 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 Long Tom River built?

It was built in 1995, making it 30 years old in 2025.

What condition is Or 36 (hwy 229) over Long Tom River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Or 36 (hwy 229) over Long Tom River carry?

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

How long is Or 36 (hwy 229) over Long Tom River?

The structure is 103 ft (31.4 m) long with a longest span of 103 ft (31.4 m) and a deck 48 ft wide.

Who owns Or 36 (hwy 229) over Long Tom River?

It is owned by the State Highway Agency.