US Bridges

Bridge Street over Yamhill River

FairPosted for load

Yamhill County, Oregon · In Sheridan · Structure no. 02557 024 00283

Built
1939
86 years old
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
258 ft
1 main span
Daily traffic
6,365
2020 count
Owner
County
County Highway Agency

About this bridge

Bridge Street over Yamhill River is a steel truss - thru carrying Bridge Street over Yamhill River in Yamhill County, Oregon. It was built in 1939, so it is 86 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 5 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 6,365 vehicles a day, roughly 10% of them trucks, projected to reach 8,841 by 2025. The structure is 258 ft (78.6 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesBridge Street
CrossesYamhill River
LocationIn Sheridan
RouteCounty Highway A0546
StateOregon
Coordinates45.09887, -123.39526
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadH 15
Structure length258 ft (78.6 m)
Longest span130 ft (39.6 m)
Deck width43 ft (13.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic6,365 (2020)
Projected traffic8,841 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Bridge Street over Yamhill River built?

It was built in 1939, making it 86 years old in 2025.

What condition is Bridge Street over Yamhill 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 Bridge Street over Yamhill River carry?

About 6,365 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Bridge Street over Yamhill River?

The structure is 258 ft (78.6 m) long with a longest span of 130 ft (39.6 m) and a deck 43 ft wide.

Who owns Bridge Street over Yamhill River?

It is owned by the County Highway Agency.