US Bridges

Rich Road over Deschutes River

Good

Thurston County, Washington · 0.2 M E of Old HWY 99 · Structure no. 082457000000000

Built
1981
44 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
295 ft
3 main spans
Daily traffic
3,843
2019 count
Owner
County
County Highway Agency

About this bridge

Rich Road over Deschutes River is a prestressed concrete continuous box beam or girders - multiple carrying Rich Road over Deschutes River in Thurston County, Washington. It was built in 1981, so it is 44 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 3,843 vehicles a day, roughly 15% of them trucks, projected to reach 5,941 by 2041. The structure is 295 ft (89.9 m) long and 45 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesRich Road
CrossesDeschutes River
Location0.2 M E of Old HWY 99
RouteCounty Highway 14225
CountyThurston County
StateWashington
Coordinates46.94523, -122.85099
Functional classRural Major 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating59 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length295 ft (89.9 m)
Longest span125 ft (38.1 m)
Deck width45 ft (13.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,843 (2019)
Projected traffic5,941 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$11 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rich Road over Deschutes River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Rich Road over Deschutes River 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 February 2023.

How much traffic does Rich Road over Deschutes River carry?

About 3,843 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is Rich Road over Deschutes River?

The structure is 295 ft (89.9 m) long with a longest span of 125 ft (38.1 m) and a deck 45 ft wide.

Who owns Rich Road over Deschutes River?

It is owned by the County Highway Agency.