US Bridges

SR 302 over Minter Creek

Good

Pierce County, Washington · 6.3 E Mason CO · Structure no. 0019446A0000000

Built
2020
5 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
158 ft
1 main span
Daily traffic
16,302
2023 count
Owner
State
State Highway Agency

About this bridge

SR 302 over Minter Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 302 over Minter Creek in Pierce County, Washington. It was built in 2020, so it is 5 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 16,302 vehicles a day, roughly 4% of them trucks, projected to reach 23,949 by 2039. The structure is 158 ft (48.2 m) long and 34 ft wide.

Location

Open in Google Maps
CarriesSR 302
CrossesMinter Creek
Location6.3 E Mason CO
RouteState Highway 302
CountyPierce County
StateWashington
Coordinates47.38056, -122.7005
Functional classUrban Other Principal Arterial

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length158 ft (48.2 m)
Longest span158 ft (48.2 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,302 (2023)
Projected traffic23,949 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 302 over Minter Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is SR 302 over Minter 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 October 2024.

How much traffic does SR 302 over Minter Creek carry?

About 16,302 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 302 over Minter Creek?

The structure is 158 ft (48.2 m) long with a longest span of 158 ft (48.2 m) and a deck 34 ft wide.

Who owns SR 302 over Minter Creek?

It is owned by the State Highway Agency.