US Bridges

Coho Way over Foley Creek

Fair

Tillamook County, Oregon · 4.5 MI South of Mohler · Structure no. 57C68 317300030

Built
1977
48 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
138
2020 count
Owner
County
County Highway Agency

About this bridge

Coho Way over Foley Creek is a prestressed concrete slab carrying Coho Way over Foley Creek in Tillamook County, Oregon. It was built in 1977, so it is 48 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 138 vehicles a day, projected to reach 163 by 2025. The structure is 39 ft (11.9 m) long and 24 ft wide.

CarriesCoho Way
CrossesFoley Creek
Location4.5 MI South of Mohler
StateOregon
Coordinates45.6521, -123.84916
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 rating86 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span36 ft (11 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic138 (2020)
Projected traffic163 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Coho Way over Foley Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Coho Way over Foley 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 August 2024.

How much traffic does Coho Way over Foley Creek carry?

About 138 vehicles per day (2020 count).

How long is Coho Way over Foley Creek?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11 m) and a deck 24 ft wide.

Who owns Coho Way over Foley Creek?

It is owned by the County Highway Agency.