US Bridges

Kroenig Road over Salt Creek

Fair

Polk County, Oregon · 005 E of Broadmead · Structure no. 18301 65020 046

Built
1997
28 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
161
2020 count
Owner
County
County Highway Agency

About this bridge

Kroenig Road over Salt Creek is a prestressed concrete tee beam carrying Kroenig Road over Salt 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 161 vehicles a day, roughly 5% of them trucks, projected to reach 229 by 2040. The structure is 101 ft (30.8 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesKroenig Road
CrossesSalt Creek
Location005 E of Broadmead
RouteCounty Highway 0
CountyPolk County
StateOregon
Coordinates45.07176, -123.26142
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length101 ft (30.8 m)
Longest span99 ft (30.2 m)
Deck width20 ft (6 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2020)
Projected traffic229 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$517,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kroenig Road over Salt Creek built?

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

What condition is Kroenig Road over 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 Kroenig Road over Salt Creek carry?

About 161 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Kroenig Road over Salt Creek?

The structure is 101 ft (30.8 m) long with a longest span of 99 ft (30.2 m) and a deck 20 ft wide.

Who owns Kroenig Road over Salt Creek?

It is owned by the County Highway Agency.