US Bridges

Sand Lake Road over West Beaver Creek

Good

Tillamook County, Oregon · 017 M W Hemlock 101 JCT · Structure no. 57C78 871 00300

Built
1988
37 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
1,379
2020 count
Owner
County
County Highway Agency

About this bridge

Sand Lake Road over West Beaver Creek is a prestressed concrete slab carrying Sand Lake Road over West Beaver Creek in Tillamook County, Oregon. It was built in 1988, so it is 37 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 1,379 vehicles a day, roughly 15% of them trucks, projected to reach 1,644 by 2025. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

CarriesSand Lake Road
CrossesWest Beaver Creek
Location017 M W Hemlock 101 JCT
RouteCounty Highway A0721
StateOregon
Coordinates45.32798, -123.87152
Functional classRural Major Collector

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,379 (2020)
Projected traffic1,644 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 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 Sand Lake Road over West Beaver Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Sand Lake Road over West Beaver Creek 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 June 2023.

How much traffic does Sand Lake Road over West Beaver Creek carry?

About 1,379 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Sand Lake Road over West Beaver Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns Sand Lake Road over West Beaver Creek?

It is owned by the County Highway Agency.