US Bridges

Falls City Road over Fern Creek

Fair

Polk County, Oregon · 003 W State HWY 223 · Structure no. 53C014000600372

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
49 ft
3 main spans
Daily traffic
2,893
2020 count
Owner
County
County Highway Agency

About this bridge

Falls City Road over Fern Creek is a prestressed concrete slab carrying Falls City Road over Fern Creek in Polk County, Oregon. It was built in 1964, so it is 61 years old, older 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 2,893 vehicles a day, roughly 10% of them trucks, projected to reach 3,824 by 2040. The structure is 49 ft (14.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFalls City Road
CrossesFern Creek
Location003 W State HWY 223
RouteCounty Highway A0540
StateOregon
Coordinates44.85555, -123.36334
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span16 ft (4.9 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,893 (2020)
Projected traffic3,824 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Falls City Road over Fern Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Falls City Road over Fern 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 Falls City Road over Fern Creek carry?

About 2,893 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Falls City Road over Fern Creek?

The structure is 49 ft (14.9 m) long with a longest span of 16 ft (4.9 m) and a deck 33 ft wide.

Who owns Falls City Road over Fern Creek?

It is owned by the County Highway Agency.