US Bridges

SR 112 over Falls Creek

Fair

Clallam County, Washington · 14.9 E Makah Res · Structure no. 0005625A0000000

Built
1957
68 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
194 ft
10 main spans
Daily traffic
1,719
2023 count
Owner
State
State Highway Agency

About this bridge

SR 112 over Falls Creek is a wood or timber stringer/multi-beam or girder carrying SR 112 over Falls Creek in Clallam County, Washington. It was built in 1957, so it is 68 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 1,719 vehicles a day, roughly 23% of them trucks, projected to reach 2,185 by 2039. The structure is 194 ft (59.1 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 112
CrossesFalls Creek
Location14.9 E Makah Res
RouteState Highway 112
Coordinates48.25861, -124.29682
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating28 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans10
Design loadH 15
Structure length194 ft (59.1 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,719 (2023)
Projected traffic2,185 by 2039
Trucks23%
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

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$3.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 112 over Falls Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR 112 over Falls Creek 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 August 2024.

How much traffic does SR 112 over Falls Creek carry?

About 1,719 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is SR 112 over Falls Creek?

The structure is 194 ft (59.1 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns SR 112 over Falls Creek?

It is owned by the State Highway Agency.