US Bridges

Curl RD 3037 over Kilchis River

Fair

Tillamook County, Oregon · 3.0 MI SE Bay City · Structure no. 23949 657 00008

Built
2019
6 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
220 ft
1 main span
Daily traffic
84
2020 count
Owner
County
County Highway Agency

About this bridge

Curl RD 3037 over Kilchis River is a prestressed concrete box beam or girders - multiple carrying Curl RD 3037 over Kilchis River 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 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 84 vehicles a day, roughly 15% of them trucks, projected to reach 128 by 2040. The structure is 220 ft (67.1 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCurl RD 3037
CrossesKilchis River
Location3.0 MI SE Bay City
RouteCounty Highway C0657
StateOregon
Coordinates45.50808, -123.83531
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum 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 rating37.1 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHL 93
Structure length220 ft (67.1 m)
Longest span115 ft (35 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84 (2020)
Projected traffic128 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 Curl RD 3037 over Kilchis River built?

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

What condition is Curl RD 3037 over Kilchis River 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 Curl RD 3037 over Kilchis River carry?

About 84 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Curl RD 3037 over Kilchis River?

The structure is 220 ft (67.1 m) long with a longest span of 115 ft (35 m) and a deck 21 ft wide.

Who owns Curl RD 3037 over Kilchis River?

It is owned by the County Highway Agency.