US Bridges

Or 126 (hwy 62) over Siuslaw River(mapleton)

Fair

Lane County, Oregon · 001 MI E Mapleton · Structure no. 02049A062 01449

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
660 ft
5 main spans
Daily traffic
5,185
2022 count
Owner
State
State Highway Agency

About this bridge

Or 126 (hwy 62) over Siuslaw River(mapleton) is a prestressed concrete continuous stringer/multi-beam or girder carrying Or 126 (hwy 62) over Siuslaw River(mapleton) in Lane County, Oregon. It was built in 1970, so it is 55 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.

It carries about 5,185 vehicles a day, roughly 14% of them trucks, projected to reach 5,600 by 2042. The structure is 660 ft (201.2 m) long and 52 ft wide. If it were closed, the detour would be 23.6 mi (38 km).

CarriesOr 126 (hwy 62)
CrossesSiuslaw River(mapleton)
Location001 MI E Mapleton
RouteState Highway 126
StateOregon
Coordinates44.03197, -123.85795
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadHS 20
Structure length660 ft (201.2 m)
Longest span131 ft (39.9 m)
Deck width52 ft (16 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,185 (2022)
Projected traffic5,600 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed23.6 mi (38 km)
TollOn a free road
National Highway SystemYes

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$3.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 126 (hwy 62) over Siuslaw River(mapleton) built?

It was built in 1970, making it 55 years old in 2025.

What condition is Or 126 (hwy 62) over Siuslaw River(mapleton) 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 May 2023.

How much traffic does Or 126 (hwy 62) over Siuslaw River(mapleton) carry?

About 5,185 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Or 126 (hwy 62) over Siuslaw River(mapleton)?

The structure is 660 ft (201.2 m) long with a longest span of 131 ft (39.9 m) and a deck 52 ft wide.

Who owns Or 126 (hwy 62) over Siuslaw River(mapleton)?

It is owned by the State Highway Agency.