US Bridges

Moon Creek Road over Moon Creek

Fair

Tillamook County, Oregon · 019 MI North Blaine · Structure no. 17992 863 00200

Built
1997
28 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
114 ft
1 main span
Daily traffic
64
2020 count
Owner
County
County Highway Agency

About this bridge

Moon Creek Road over Moon Creek is a prestressed concrete tee beam carrying Moon Creek Road over Moon Creek in Tillamook County, Oregon. It was built in 1997, so it is 28 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 64 vehicles a day, roughly 15% of them trucks, projected to reach 74 by 2025. The structure is 114 ft (34.7 m) long and 19 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesMoon Creek Road
CrossesMoon Creek
Location019 MI North Blaine
RouteCounty Highway C0863
CountyTillamook County
StateOregon
Coordinates45.30369, -123.70472
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span110 ft (33.5 m)
Deck width19 ft (5.7 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64 (2020)
Projected traffic74 by 2025
Trucks15%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$584,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Moon Creek Road over Moon Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Moon Creek Road over Moon Creek 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 Moon Creek Road over Moon Creek carry?

About 64 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Moon Creek Road over Moon Creek?

The structure is 114 ft (34.7 m) long with a longest span of 110 ft (33.5 m) and a deck 19 ft wide.

Who owns Moon Creek Road over Moon Creek?

It is owned by the County Highway Agency.