US Bridges

Peterson RD E over Ohop Creek

Fair

Pierce County, Washington · .4 E JCT SR 7 · Structure no. 082329000000000

Built
1919
106 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
54 ft
1 main span
Daily traffic
85
2022 count
Owner
County
County Highway Agency

About this bridge

Peterson RD E over Ohop Creek is a concrete culvert carrying Peterson RD E over Ohop Creek in Pierce County, Washington. It was built in 1919, so it is 106 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 85 vehicles a day, roughly 5% of them trucks, projected to reach 140 by 2043. The structure is 54 ft (16.5 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesPeterson RD E
CrossesOhop Creek
Location.4 E JCT SR 7
RouteCounty Highway 48690
CountyPierce County
StateWashington
Coordinates46.86808, -122.34275
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span30 ft (9.1 m)
Deck width22 ft (6.8 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2022)
Projected traffic140 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$1.2 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Peterson RD E over Ohop Creek built?

It was built in 1919, making it 106 years old in 2025.

What condition is Peterson RD E over Ohop 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 2023.

How much traffic does Peterson RD E over Ohop Creek carry?

About 85 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Peterson RD E over Ohop Creek?

The structure is 54 ft (16.5 m) long with a longest span of 30 ft (9.1 m) and a deck 22 ft wide.

Who owns Peterson RD E over Ohop Creek?

It is owned by the County Highway Agency.