US Bridges

Parker Road over Small Creek

Fair

Polk County, Oregon · 1.5 MI SE Helmick ST Park · Structure no. 18435 000000319

Built
1997
28 years old
Condition
Fair
inspected August 2024
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
239
2020 count
Owner
County
County Highway Agency

About this bridge

Parker Road over Small Creek is a steel culvert carrying Parker Road over Small Creek in Polk 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 239 vehicles a day, roughly 5% of them trucks, projected to reach 334 by 2040. The structure is 23 ft (7 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesParker Road
CrossesSmall Creek
Location1.5 MI SE Helmick ST Park
RouteCounty Highway C9413
CountyPolk County
StateOregon
Coordinates44.77212, -123.20316
Functional classRural Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 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 rating98.9 US tons
Inventory rating76.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic239 (2020)
Projected traffic334 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Parker Road over Small Creek built?

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

What condition is Parker Road over Small 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 Parker Road over Small Creek carry?

About 239 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Parker Road over Small Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Parker Road over Small Creek?

It is owned by the County Highway Agency.