US Bridges

Sandlake Rd. over Jewel Creek

Good

Tillamook County, Oregon · MP 5.74 · Structure no. 23950 871 00574

Built
2019
6 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
795
2020 count
Owner
County
County Highway Agency

About this bridge

Sandlake Rd. over Jewel Creek is a prestressed concrete slab carrying Sandlake Rd. over Jewel Creek in Tillamook County, Oregon. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 795 vehicles a day, roughly 15% of them trucks, projected to reach 1,273 by 2040. The structure is 52 ft (16 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSandlake Rd.
CrossesJewel Creek
LocationMP 5.74
RouteCounty Highway A0721
StateOregon
Coordinates45.29847, -123.92333
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length52 ft (16 m)
Longest span52 ft (16 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic795 (2020)
Projected traffic1,273 by 2040
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Sandlake Rd. over Jewel Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Sandlake Rd. over Jewel 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 Sandlake Rd. over Jewel Creek carry?

About 795 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Sandlake Rd. over Jewel Creek?

The structure is 52 ft (16 m) long with a longest span of 52 ft (16 m) and a deck 32 ft wide.

Who owns Sandlake Rd. over Jewel Creek?

It is owned by the County Highway Agency.