US Bridges

SR 112 over Lyre River

Fair

Clallam County, Washington · 23.5 E JCT SR 113 · Structure no. 0005997B0000000

Built
1959
66 years old
Condition
Fair
inspected June 2023
Type
Truss - Deck
Wood or Timber
Length
268 ft
1 main span
Daily traffic
841
2023 count
Owner
State
State Highway Agency

About this bridge

SR 112 over Lyre River is a wood or timber truss - deck carrying SR 112 over Lyre River in Clallam County, Washington. It was built in 1959, so it is 66 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 5 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 841 vehicles a day, roughly 14% of them trucks, projected to reach 1,069 by 2039. The structure is 268 ft (81.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 112
CrossesLyre River
Location23.5 E JCT SR 113
RouteState Highway 112
CountyClallam County
StateWashington
Coordinates48.14534, -123.83418
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating30 US tons

Structure

Structure typeTruss - Deck
MaterialWood or Timber
DeckWood or timber
Main spans1 (+11 approach)
Design loadH 15
Structure length268 ft (81.7 m)
Longest span57 ft (17.4 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic841 (2023)
Projected traffic1,069 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 112 over Lyre River built?

It was built in 1959, making it 66 years old in 2025.

What condition is SR 112 over Lyre River 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 June 2023.

How much traffic does SR 112 over Lyre River carry?

About 841 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 112 over Lyre River?

The structure is 268 ft (81.7 m) long with a longest span of 57 ft (17.4 m) and a deck 30 ft wide.

Who owns SR 112 over Lyre River?

It is owned by the State Highway Agency.