US Bridges

Arcadia Road over Bur. Nor. Railroad

Good

Mason County, Washington · 1.45 E JCT SR 3 · Structure no. 083790000000000

Built
1978
47 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
125 ft
1 main span
Daily traffic
4,134
2020 count
Owner
County
County Highway Agency

About this bridge

Arcadia Road over Bur. Nor. Railroad is a prestressed concrete stringer/multi-beam or girder carrying Arcadia Road over Bur. Nor. Railroad in Mason County, Washington. It was built in 1978, so it is 47 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,134 vehicles a day, roughly 10% of them trucks, projected to reach 7,466 by 2044. The structure is 125 ft (38.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesArcadia Road
CrossesBur. Nor. Railroad
Location1.45 E JCT SR 3
RouteCounty Highway 91100
CountyMason County
StateWashington
Coordinates47.19667, -123.06167
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span110 ft (33.5 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,134 (2020)
Projected traffic7,466 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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$3,000 (2075 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Arcadia Road over Bur. Nor. Railroad built?

It was built in 1978, making it 47 years old in 2025.

What condition is Arcadia Road over Bur. Nor. Railroad in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Arcadia Road over Bur. Nor. Railroad carry?

About 4,134 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Arcadia Road over Bur. Nor. Railroad?

The structure is 125 ft (38.1 m) long with a longest span of 110 ft (33.5 m) and a deck 41 ft wide.

Who owns Arcadia Road over Bur. Nor. Railroad?

It is owned by the County Highway Agency.