US Bridges

Nisqually Entrance over Van Trump Creek

Fair

Pierce County, Washington · 10.8 Miles Northeast of N · Structure no. 9450003P0000000

Built
1928
97 years old
Condition
Fair
inspected August 2024
Type
Arch - Deck
Concrete
Length
56 ft
1 main span
Daily traffic
1,800
2023 count
Owner
Federal
National Park Service

About this bridge

Nisqually Entrance over Van Trump Creek is a concrete arch - deck carrying Nisqually Entrance over Van Trump Creek in Pierce County, Washington. It was built in 1928, so it is 97 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 1,800 vehicles a day, roughly 20% of them trucks, projected to reach 1,980 by 2043. The structure is 56 ft (17.1 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNisqually Entrance
CrossesVan Trump Creek
Location10.8 Miles Northeast of N
RouteFederal Lands Road 14
CountyPierce County
StateWashington
Coordinates46.78081, -121.77961
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating20.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length56 ft (17.1 m)
Longest span56 ft (17.1 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic1,980 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$228,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nisqually Entrance over Van Trump Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is Nisqually Entrance over Van Trump 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 2024.

How much traffic does Nisqually Entrance over Van Trump Creek carry?

About 1,800 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Nisqually Entrance over Van Trump Creek?

The structure is 56 ft (17.1 m) long with a longest span of 56 ft (17.1 m) and a deck 30 ft wide.

Who owns Nisqually Entrance over Van Trump Creek?

It is owned by the National Park Service.