US Bridges

Big Hanaford Rd. over Hanaford Creek

Good

Lewis County, Washington · 7.5 E. Centralia · Structure no. 087133000000000

Built
2003
22 years old
Condition
Good
inspected December 2023
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
36
2021 count
Owner
County
County Highway Agency

About this bridge

Big Hanaford Rd. over Hanaford Creek is a prestressed concrete slab carrying Big Hanaford Rd. over Hanaford Creek in Lewis County, Washington. It was built in 2003, so it is 22 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 36 vehicles a day, roughly 39% of them trucks, projected to reach 64 by 2041. The structure is 70 ft (21.3 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBig Hanaford Rd.
CrossesHanaford Creek
Location7.5 E. Centralia
RouteCounty Highway 17901
Coordinates46.74559, -122.77652
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span67 ft (20.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2021)
Projected traffic64 by 2041
Trucks39%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$798,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Big Hanaford Rd. over Hanaford Creek built?

It was built in 2003, making it 22 years old in 2025.

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

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

About 36 vehicles per day (2021 count), of which roughly 39% are trucks.

How long is Big Hanaford Rd. over Hanaford Creek?

The structure is 70 ft (21.3 m) long with a longest span of 67 ft (20.3 m) and a deck 32 ft wide.

Who owns Big Hanaford Rd. over Hanaford Creek?

It is owned by the County Highway Agency.