US Bridges

Sand Lake Road over Tiger Creek

Good

Tillamook County, Oregon · .03 M W of US 101 · Structure no. 19154 871 00003

Built
2002
23 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
1,273
2020 count
Owner
County
County Highway Agency

About this bridge

Sand Lake Road over Tiger Creek is a prestressed concrete tee beam carrying Sand Lake Road over Tiger Creek in Tillamook County, Oregon. It was built in 2002, so it is 23 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 1,273 vehicles a day, roughly 15% of them trucks, projected to reach 1,513 by 2025. The structure is 92 ft (28 m) long and 36 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

CarriesSand Lake Road
CrossesTiger Creek
Location.03 M W of US 101
RouteCounty Highway A0721
StateOregon
Coordinates45.32064, -123.84202
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length92 ft (28 m)
Longest span87 ft (26.4 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,273 (2020)
Projected traffic1,513 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 Tiger Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Sand Lake Road over Tiger 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 Tiger Creek carry?

About 1,273 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Sand Lake Road over Tiger Creek?

The structure is 92 ft (28 m) long with a longest span of 87 ft (26.4 m) and a deck 36 ft wide.

Who owns Sand Lake Road over Tiger Creek?

It is owned by the County Highway Agency.