US Bridges

Hart Road over W Fork Salt Creek

Fair

Polk County, Oregon · 003 S of State HWY 22 · Structure no. 20107 661600028

Built
2005
20 years old
Condition
Fair
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
60 ft
1 main span
Daily traffic
31
2020 count
Owner
County
County Highway Agency

About this bridge

Hart Road over W Fork Salt Creek is a steel girder and floorbeam system carrying Hart Road over W Fork Salt Creek in Polk County, Oregon. It was built in 2005, so it is 20 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 31 vehicles a day, projected to reach 54 by 2040. The structure is 60 ft (18.3 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHart Road
CrossesW Fork Salt Creek
Location003 S of State HWY 22
RouteCounty Highway C6616
StateOregon
Coordinates44.99979, -123.36597
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating99 US tons
Inventory rating75.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span50 ft (15.2 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2020)
Projected traffic54 by 2040
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hart Road over W Fork Salt Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Hart Road over W Fork Salt 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 Hart Road over W Fork Salt Creek carry?

About 31 vehicles per day (2020 count).

How long is Hart Road over W Fork Salt Creek?

The structure is 60 ft (18.3 m) long with a longest span of 50 ft (15.2 m) and a deck 14 ft wide.

Who owns Hart Road over W Fork Salt Creek?

It is owned by the County Highway Agency.