US Bridges

Chitwood RD over Yaquina River

FairPosted for load

Lincoln County, Oregon · 0001 M S HWY 20 in Chitwd · Structure no. 41C09 42701 001

Built
1926
99 years old, rebuilt 2015
Condition
Fair
inspected September 2024
Type
Truss - Thru
Wood or Timber
Length
162 ft
1 main span
Daily traffic
65
2020 count
Owner
County
County Highway Agency

About this bridge

Chitwood RD over Yaquina River is a wood or timber truss - thru carrying Chitwood RD over Yaquina River in Lincoln County, Oregon. It was built in 1926 and reconstructed in 2015, so it is 99 years old, older 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. Its operating status is: posted for load restriction.

It carries about 65 vehicles a day, projected to reach 108 by 2040. The structure is 162 ft (49.4 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesChitwood RD
CrossesYaquina River
Location0001 M S HWY 20 in Chitwd
RouteCounty Highway 0
CountyLincoln County
StateOregon
Coordinates44.65425, -123.81781
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27 US tons
Inventory rating16 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1 (+4 approach)
Design loadH 15
Structure length162 ft (49.4 m)
Longest span96 ft (29.3 m)
Deck width16 ft (4.9 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deck11 ft (3.5 m)

Traffic and service

Average daily traffic65 (2020)
Projected traffic108 by 2040
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$913,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Chitwood RD over Yaquina River built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2015.

What condition is Chitwood RD over Yaquina River 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 September 2024.

How much traffic does Chitwood RD over Yaquina River carry?

About 65 vehicles per day (2020 count).

How long is Chitwood RD over Yaquina River?

The structure is 162 ft (49.4 m) long with a longest span of 96 ft (29.3 m) and a deck 16 ft wide.

Who owns Chitwood RD over Yaquina River?

It is owned by the County Highway Agency.