US Bridges

Duck Lake Road over No Name Creek

Good

Lincoln County, Washington · 05.99 NE SR 21 · Structure no. 083266000000000

Built
1972
53 years old
Condition
Good
inspected January 2024
Type
Tee Beam
Concrete
Length
70 ft
1 main span
Daily traffic
120
2020 count
Owner
County
County Highway Agency

About this bridge

Duck Lake Road over No Name Creek is a concrete tee beam carrying Duck Lake Road over No Name Creek in Lincoln County, Washington. It was built in 1972, so it is 53 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 120 vehicles a day, roughly 40% of them trucks, projected to reach 200 by 2041. The structure is 70 ft (21.3 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesDuck Lake Road
CrossesNo Name Creek
Location05.99 NE SR 21
RouteCounty Highway 92310
Coordinates47.38439, -118.60561
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating45.7 US tons
Inventory rating35.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span68 ft (20.7 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic200 by 2041
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Duck Lake Road over No Name Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Duck Lake Road over No Name Creek 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 January 2024.

How much traffic does Duck Lake Road over No Name Creek carry?

About 120 vehicles per day (2020 count), of which roughly 40% are trucks.

How long is Duck Lake Road over No Name Creek?

The structure is 70 ft (21.3 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.

Who owns Duck Lake Road over No Name Creek?

It is owned by the County Highway Agency.