US Bridges

Nisqually Entrance over Kautz Creek

Fair

Pierce County, Washington · 3.5 Miles East of Nisqual · Structure no. 9450044P0000000

Built
2007
18 years old
Condition
Fair
inspected August 2024
Type
Culvert
Steel
Length
31 ft
2 main spans
Daily traffic
1,576
2022 count
Owner
Federal
National Park Service

About this bridge

Nisqually Entrance over Kautz Creek is a steel culvert carrying Nisqually Entrance over Kautz Creek in Pierce County, Washington. It was built in 2007, so it is 18 years old, younger 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 1,576 vehicles a day, projected to reach 1,891 by 2042. The structure is 31 ft (9.4 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNisqually Entrance
CrossesKautz Creek
Location3.5 Miles East of Nisqual
RouteFederal Lands Road 14
Coordinates46.73547, -121.85281
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert6 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 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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span13 ft (4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,576 (2022)
Projected traffic1,891 by 2042
Trucks—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nisqually Entrance over Kautz Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Nisqually Entrance over Kautz 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 Kautz Creek carry?

About 1,576 vehicles per day (2022 count).

How long is Nisqually Entrance over Kautz Creek?

The structure is 31 ft (9.4 m) long with a longest span of 13 ft (4 m) and a deck 29 ft wide.

Who owns Nisqually Entrance over Kautz Creek?

It is owned by the National Park Service.