US Bridges

Vaughn RD over Doty Creek

PoorPosted for load

Marion County, Oregon · 028M SE Ankeny Hl I-5 JCT · Structure no. 47C79 921

Built
1973
52 years old
Condition
Poor
inspected August 2024
Type
Slab
Wood or Timber
Length
31 ft
2 main spans
Daily traffic
43
2020 count
Owner
County
County Highway Agency

About this bridge

Vaughn RD over Doty Creek is a wood or timber slab carrying Vaughn RD over Doty Creek in Marion County, Oregon. It was built in 1973, so it is 52 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 4 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. Its operating status is: posted for load restriction.

It carries about 43 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2025. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesVaughn RD
CrossesDoty Creek
Location028M SE Ankeny Hl I-5 JCT
RouteCounty Highway C0921
StateOregon
Coordinates44.75747, -122.99476
Functional classRural Local

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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating25.7 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length31 ft (9.4 m)
Longest span16 ft (4.9 m)
Deck width26 ft (7.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2020)
Projected traffic48 by 2025
Trucks10%
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 Vaughn RD over Doty Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Vaughn RD over Doty 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 August 2024.

How much traffic does Vaughn RD over Doty Creek carry?

About 43 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Vaughn RD over Doty Creek?

The structure is 31 ft (9.4 m) long with a longest span of 16 ft (4.9 m) and a deck 26 ft wide.

Who owns Vaughn RD over Doty Creek?

It is owned by the County Highway Agency.