US Bridges

Duck Lake Lamona over Duck Creek

Good

Lincoln County, Washington · 3.98 NW SR 28 · Structure no. 086365000000000

Built
1997
28 years old
Condition
Good
inspected November 2023
Type
Culvert
Steel
Length
36 ft
3 main spans
Daily traffic
27
2021 count
Owner
County
County Highway Agency

About this bridge

Duck Lake Lamona over Duck Creek is a steel culvert carrying Duck Lake Lamona over Duck Creek in Lincoln County, Washington. It was built in 1997, so it is 28 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 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 27 vehicles a day, roughly 40% of them trucks, projected to reach 100 by 2042. The structure is 36 ft (11 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesDuck Lake Lamona
CrossesDuck Creek
Location3.98 NW SR 28
RouteCounty Highway 25170
Coordinates47.42269, -118.46439
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length36 ft (11 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27 (2021)
Projected traffic100 by 2042
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Duck Lake Lamona over Duck Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Duck Lake Lamona over Duck 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 November 2023.

How much traffic does Duck Lake Lamona over Duck Creek carry?

About 27 vehicles per day (2021 count), of which roughly 40% are trucks.

How long is Duck Lake Lamona over Duck Creek?

The structure is 36 ft (11 m) long with a longest span of 9 ft (2.7 m).

Who owns Duck Lake Lamona over Duck Creek?

It is owned by the County Highway Agency.