US Bridges

Peters Rd. over Kiona Cr.

Good

Lewis County, Washington · 1.13 S JCT SR 12 · Structure no. 082363000000000

Built
1964
61 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
81 ft
4 main spans
Daily traffic
244
2022 count
Owner
County
County Highway Agency

About this bridge

Peters Rd. over Kiona Cr. is a concrete continuous slab carrying Peters Rd. over Kiona Cr. in Lewis County, Washington. It was built in 1964, so it is 61 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 244 vehicles a day, roughly 16% of them trucks, projected to reach 441 by 2042. The structure is 81 ft (24.8 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesPeters Rd.
CrossesKiona Cr.
Location1.13 S JCT SR 12
RouteCounty Highway 76400
Coordinates46.5228, -121.98014
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 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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length81 ft (24.8 m)
Longest span20 ft (6.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic244 (2022)
Projected traffic441 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$929,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Peters Rd. over Kiona Cr. built?

It was built in 1964, making it 61 years old in 2025.

What condition is Peters Rd. over Kiona Cr. 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 Peters Rd. over Kiona Cr. carry?

About 244 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Peters Rd. over Kiona Cr.?

The structure is 81 ft (24.8 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns Peters Rd. over Kiona Cr.?

It is owned by the County Highway Agency.