US Bridges

Pongratz Road over Whitcher Creek

Good

Washington County, Oregon · 005 MI N Cason Road · Structure no. 24068002100094

Built
2021
4 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
243
2020 count
Owner
County
County Highway Agency

About this bridge

Pongratz Road over Whitcher Creek is a prestressed concrete slab carrying Pongratz Road over Whitcher Creek in Washington County, Oregon. It was built in 2021, so it is 4 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 243 vehicles a day, roughly 5% of them trucks, projected to reach 268 by 2025. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPongratz Road
CrossesWhitcher Creek
Location005 MI N Cason Road
RouteCounty Highway C0021
StateOregon
Coordinates45.67747, -123.16845
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic243 (2020)
Projected traffic268 by 2025
Trucks5%
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 Pongratz Road over Whitcher Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Pongratz Road over Whitcher Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Pongratz Road over Whitcher Creek carry?

About 243 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Pongratz Road over Whitcher Creek?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns Pongratz Road over Whitcher Creek?

It is owned by the County Highway Agency.