US Bridges

Ohop Valley Ext RD over Ohop Creek

Good

Pierce County, Washington · .85 SW JCT SR161 · Structure no. 086294000000000

Built
1997
28 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
98 ft
1 main span
Daily traffic
145
2021 count
Owner
County
County Highway Agency

About this bridge

Ohop Valley Ext RD over Ohop Creek is a prestressed concrete stringer/multi-beam or girder carrying Ohop Valley Ext RD over Ohop Creek in Pierce County, Washington. It was built in 1997, so it is 28 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 145 vehicles a day, roughly 5% of them trucks, projected to reach 240 by 2042. The structure is 98 ft (29.9 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOhop Valley Ext RD
CrossesOhop Creek
Location.85 SW JCT SR161
RouteCounty Highway 48740
Coordinates46.87124, -122.29047
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length98 ft (29.9 m)
Longest span93 ft (28.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (2021)
Projected traffic240 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.3 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ohop Valley Ext RD over Ohop Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Ohop Valley Ext RD over Ohop 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 2023.

How much traffic does Ohop Valley Ext RD over Ohop Creek carry?

About 145 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ohop Valley Ext RD over Ohop Creek?

The structure is 98 ft (29.9 m) long with a longest span of 93 ft (28.3 m) and a deck 31 ft wide.

Who owns Ohop Valley Ext RD over Ohop Creek?

It is owned by the County Highway Agency.