US Bridges

Road over Greenwater River

Fair

Pierce County, Washington · 0.3 MI N of 70/7030 JCT · Structure no. 060507000001309

Built
1989
36 years old
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
49
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Greenwater River is a prestressed concrete stringer/multi-beam or girder carrying Road over Greenwater River in Pierce County, Washington. It was built in 1989, so it is 36 years old, younger than the Washington average of 49.8 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.

It carries about 49 vehicles a day, projected to reach 73 by 2045. The structure is 102 ft (31.1 m) long and 18 ft wide. If it were closed, the detour would be 84.5 mi (136 km).

Location

Open in Google Maps
CarriesRoad
CrossesGreenwater River
Location0.3 MI N of 70/7030 JCT
RouteFederal Lands Road 70300
CountyPierce County
StateWashington
Coordinates47.11679, -121.49131
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating100.1 US tons
Inventory rating100.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length102 ft (31.1 m)
Longest span100 ft (30.5 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (1992)
Projected traffic73 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed84.5 mi (136 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Greenwater River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Road over Greenwater 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 November 2022.

How much traffic does Road over Greenwater River carry?

About 49 vehicles per day (1992 count).

How long is Road over Greenwater River?

The structure is 102 ft (31.1 m) long with a longest span of 100 ft (30.5 m) and a deck 18 ft wide.

Who owns Road over Greenwater River?

It is owned by the U.S. Forest Service.