US Bridges

County RD 16 over South Deer Creek

PoorPosted for load

Douglas County, Oregon · 2.8 MI S of Dixonville · Structure no. 19C152 16 284

Built
1967
58 years old
Condition
Poor
inspected April 2024
Type
Truss - Thru
Steel
Length
77 ft
1 main span
Daily traffic
486
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 16 over South Deer Creek is a steel truss - thru carrying County RD 16 over South Deer Creek in Douglas County, Oregon. It was built in 1967, so it is 58 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 486 vehicles a day, roughly 5% of them trucks, projected to reach 551 by 2025. The structure is 77 ft (23.5 m) long and 28 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

CarriesCounty RD 16
CrossesSouth Deer Creek
Location2.8 MI S of Dixonville
RouteCounty Highway 0A392
StateOregon
Coordinates43.16875, -123.24623
Functional classRural Minor 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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15.8 US tons
Inventory rating12.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length77 ft (23.5 m)
Longest span75 ft (22.9 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic486 (2020)
Projected traffic551 by 2025
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$513,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 16 over South Deer Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is County RD 16 over South Deer 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 April 2024.

How much traffic does County RD 16 over South Deer Creek carry?

About 486 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is County RD 16 over South Deer Creek?

The structure is 77 ft (23.5 m) long with a longest span of 75 ft (22.9 m) and a deck 28 ft wide.

Who owns County RD 16 over South Deer Creek?

It is owned by the County Highway Agency.