US Bridges

Langmack RD over Albany-Santiam Canal

Fair

Linn County, Oregon · 006 MI N CR 701 · Structure no. 12668 066200062

Built
1962
63 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
47 ft
3 main spans
Daily traffic
309
2021 count
Owner
County
County Highway Agency

About this bridge

Langmack RD over Albany-Santiam Canal is a prestressed concrete slab carrying Langmack RD over Albany-Santiam Canal in Linn County, Oregon. It was built in 1962, so it is 63 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 309 vehicles a day, roughly 10% of them trucks, projected to reach 433 by 2041. The structure is 47 ft (14.3 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLangmack RD
CrossesAlbany-Santiam Canal
Location006 MI N CR 701
RouteCounty Highway C0662
StateOregon
Coordinates44.56999, -122.95546
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
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 rating30.3 US tons
Inventory rating23.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic309 (2021)
Projected traffic433 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Langmack RD over Albany-Santiam Canal built?

It was built in 1962, making it 63 years old in 2025.

What condition is Langmack RD over Albany-Santiam Canal 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 June 2023.

How much traffic does Langmack RD over Albany-Santiam Canal carry?

About 309 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Langmack RD over Albany-Santiam Canal?

The structure is 47 ft (14.3 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns Langmack RD over Albany-Santiam Canal?

It is owned by the County Highway Agency.