US Bridges

118 Av NW over Minter Creek

Good

Pierce County, Washington · 0.6 No JCT SR 302 · Structure no. 086497000000000

Built
1997
28 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
2,050
2024 count
Owner
County
County Highway Agency

About this bridge

118 Av NW over Minter Creek is a prestressed concrete slab carrying 118 Av NW over Minter 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 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 2,050 vehicles a day, roughly 5% of them trucks, projected to reach 3,400 by 2040. The structure is 40 ft (12.2 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries118 Av NW
CrossesMinter Creek
Location0.6 No JCT SR 302
RouteCounty Highway 92350
Coordinates47.38934, -122.69485
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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating101 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span37 ft (11.3 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,050 (2024)
Projected traffic3,400 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 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$1.4 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 118 Av NW over Minter Creek built?

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

What condition is 118 Av NW 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 July 2024.

How much traffic does 118 Av NW over Minter Creek carry?

About 2,050 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 118 Av NW over Minter Creek?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 38 ft wide.

Who owns 118 Av NW over Minter Creek?

It is owned by the County Highway Agency.