US Bridges

Big Hanaford Rd. over Hanaford Cr.

Fair

Lewis County, Washington · 7. NE Centralia · Structure no. 083837000000000

Built
1955
70 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
30 ft
1 main span
Daily traffic
189
2021 count
Owner
County
County Highway Agency

About this bridge

Big Hanaford Rd. over Hanaford Cr. is a concrete continuous stringer/multi-beam or girder carrying Big Hanaford Rd. over Hanaford Cr. in Lewis County, Washington. It was built in 1955, so it is 70 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 189 vehicles a day, roughly 31% of them trucks, projected to reach 342 by 2041. The structure is 30 ft (9.1 m) long and 22 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesBig Hanaford Rd.
CrossesHanaford Cr.
Location7. NE Centralia
RouteCounty Highway 91019
Coordinates46.76307, -122.81863
Functional classRural Major Collector

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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.9 US tons
Inventory rating38 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic189 (2021)
Projected traffic342 by 2041
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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$370,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Big Hanaford Rd. over Hanaford Cr. built?

It was built in 1955, making it 70 years old in 2025.

What condition is Big Hanaford Rd. over Hanaford Cr. 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 December 2023.

How much traffic does Big Hanaford Rd. over Hanaford Cr. carry?

About 189 vehicles per day (2021 count), of which roughly 31% are trucks.

How long is Big Hanaford Rd. over Hanaford Cr.?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 22 ft wide.

Who owns Big Hanaford Rd. over Hanaford Cr.?

It is owned by the County Highway Agency.