US Bridges

Road over Greenwater River

Fair

Pierce County, Washington · 8.4 MI E of Hy 410/70 JCT · Structure no. 060507000001319

Built
1958
67 years old, rebuilt 2012
Condition
Fair
inspected September 2022
Type
Frame
Concrete
Length
90 ft
3 main spans
Daily traffic
143
1991 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Greenwater River is a concrete frame carrying Road over Greenwater River in Pierce County, Washington. It was built in 1958 and reconstructed in 2012, so it is 67 years old, older 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 143 vehicles a day, roughly 10% of them trucks, projected to reach 214 by 2045. The structure is 90 ft (27.4 m) long and 29 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesRoad
CrossesGreenwater River
Location8.4 MI E of Hy 410/70 JCT
RouteFederal Lands Road 70000
Coordinates47.11039, -121.48078
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length90 ft (27.4 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic143 (1991)
Projected traffic214 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 1958, making it 67 years old in 2025. It was reconstructed in 2012.

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 September 2022.

How much traffic does Road over Greenwater River carry?

About 143 vehicles per day (1991 count), of which roughly 10% are trucks.

How long is Road over Greenwater River?

The structure is 90 ft (27.4 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns Road over Greenwater River?

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