US Bridges

SR 112 over Deep Creek

Good

Clallam County, Washington · 11.5 E JCT SR 113 · Structure no. 0013865A0000000

Built
1992
33 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
166 ft
3 main spans
Daily traffic
835
2023 count
Owner
State
State Highway Agency

About this bridge

SR 112 over Deep Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 112 over Deep Creek in Clallam County, Washington. It was built in 1992, so it is 33 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 835 vehicles a day, roughly 16% of them trucks, projected to reach 1,061 by 2039. The structure is 166 ft (50.6 m) long and 37 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 112
CrossesDeep Creek
Location11.5 E JCT SR 113
RouteState Highway 112
Coordinates48.17244, -124.02675
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20 + Mod
Structure length166 ft (50.6 m)
Longest span60 ft (18.3 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic835 (2023)
Projected traffic1,061 by 2039
Trucks16%
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 112 over Deep Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR 112 over Deep 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 August 2022.

How much traffic does SR 112 over Deep Creek carry?

About 835 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is SR 112 over Deep Creek?

The structure is 166 ft (50.6 m) long with a longest span of 60 ft (18.3 m) and a deck 37 ft wide.

Who owns SR 112 over Deep Creek?

It is owned by the State Highway Agency.