US Bridges

Hendricks Road over Hawn Creek

Poor

Yamhill County, Oregon · Main ST Cty of Carlton · Structure no. 11594A204 01135

Built
1964
61 years old
Condition
Poor
inspected October 2024
Type
Slab
Prestressed Concrete
Length
56 ft
3 main spans
Daily traffic
3,288
2020 count
Owner
County
County Highway Agency

About this bridge

Hendricks Road over Hawn Creek is a prestressed concrete slab carrying Hendricks Road over Hawn Creek in Yamhill 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 poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,288 vehicles a day, roughly 10% of them trucks, projected to reach 3,693 by 2025. The structure is 56 ft (17.1 m) long and 34 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

CarriesHendricks Road
CrossesHawn Creek
LocationMain ST Cty of Carlton
RouteCounty Highway A0707
StateOregon
Coordinates45.29404, -123.16832
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.8 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span19 ft (5.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,288 (2020)
Projected traffic3,693 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.3 mi (15 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 Hendricks Road over Hawn Creek built?

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

What condition is Hendricks Road over Hawn Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Hendricks Road over Hawn Creek carry?

About 3,288 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Hendricks Road over Hawn Creek?

The structure is 56 ft (17.1 m) long with a longest span of 19 ft (5.8 m) and a deck 34 ft wide.

Who owns Hendricks Road over Hawn Creek?

It is owned by the County Highway Agency.