US Bridges

Chandler Road over Dunn Creek

Good

Lewis County, Washington · 1.0 N Dryad · Structure no. 079841000000000

Built
1962
63 years old
Condition
Good
inspected February 2023
Type
Tee Beam
Concrete
Length
158 ft
3 main spans
Daily traffic
69
2018 count
Owner
County
County Highway Agency

About this bridge

Chandler Road over Dunn Creek is a concrete tee beam carrying Chandler Road over Dunn Creek in Lewis County, Washington. It was built in 1962, so it is 63 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 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 69 vehicles a day, roughly 23% of them trucks, projected to reach 125 by 2038. The structure is 158 ft (48.2 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesChandler Road
CrossesDunn Creek
Location1.0 N Dryad
RouteCounty Highway 27000
Coordinates46.64552, -123.26201
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length158 ft (48.2 m)
Longest span58 ft (17.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2018)
Projected traffic125 by 2038
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Chandler Road over Dunn Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Chandler Road over Dunn 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 February 2023.

How much traffic does Chandler Road over Dunn Creek carry?

About 69 vehicles per day (2018 count), of which roughly 23% are trucks.

How long is Chandler Road over Dunn Creek?

The structure is 158 ft (48.2 m) long with a longest span of 58 ft (17.7 m) and a deck 27 ft wide.

Who owns Chandler Road over Dunn Creek?

It is owned by the County Highway Agency.