US Bridges

Foss Road over Cronin Creek

Poor

Tillamook County, Oregon · 12.0 MI NE of Mohler · Structure no. 16683 507 01565

Built
1984
41 years old
Condition
Poor
inspected June 2023
Type
Slab
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
92
2020 count
Owner
County
County Highway Agency

About this bridge

Foss Road over Cronin Creek is a prestressed concrete slab carrying Foss Road over Cronin Creek in Tillamook County, Oregon. It was built in 1984, so it is 41 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 92 vehicles a day, roughly 15% of them trucks, projected to reach 112 by 2025. The structure is 61 ft (18.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFoss Road
CrossesCronin Creek
Location12.0 MI NE of Mohler
RouteCounty Highway A0727
StateOregon
Coordinates45.77111, -123.63332
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92 (2020)
Projected traffic112 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Foss Road over Cronin Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Foss Road over Cronin Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does Foss Road over Cronin Creek carry?

About 92 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Foss Road over Cronin Creek?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns Foss Road over Cronin Creek?

It is owned by the County Highway Agency.