US Bridges

L Road NE over Rocky Coulee Ww Blk 41

Good

Grant County, Washington · L NE .05 North of 5.6 NE · Structure no. 080484000000000

Built
1983
42 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
1,271
2019 count
Owner
County
County Highway Agency

About this bridge

L Road NE over Rocky Coulee Ww Blk 41 is a prestressed concrete tee beam carrying L Road NE over Rocky Coulee Ww Blk 41 in Grant County, Washington. It was built in 1983, so it is 42 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 1,271 vehicles a day, roughly 32% of them trucks, projected to reach 1,500 by 2041. The structure is 180 ft (54.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesL Road NE
CrossesRocky Coulee Ww Blk 41
LocationL NE .05 North of 5.6 NE
RouteCounty Highway 94005
CountyGrant County
StateWashington
Coordinates47.17113, -119.23512
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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span80 ft (24.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,271 (2019)
Projected traffic1,500 by 2041
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$6.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was L Road NE over Rocky Coulee Ww Blk 41 built?

It was built in 1983, making it 42 years old in 2025.

What condition is L Road NE over Rocky Coulee Ww Blk 41 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 November 2023.

How much traffic does L Road NE over Rocky Coulee Ww Blk 41 carry?

About 1,271 vehicles per day (2019 count), of which roughly 32% are trucks.

How long is L Road NE over Rocky Coulee Ww Blk 41?

The structure is 180 ft (54.9 m) long with a longest span of 80 ft (24.4 m) and a deck 30 ft wide.

Who owns L Road NE over Rocky Coulee Ww Blk 41?

It is owned by the County Highway Agency.