US Bridges

Center Dr-Ft Lewis over Truck Ramp

Good

Pierce County, Washington · 3.3 N Thurston CO · Structure no. 0014963D0000000

Built
1997
28 years old
Condition
Good
inspected March 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
99 ft
1 main span
Daily traffic
125
2002 count
Owner
State
State Highway Agency

About this bridge

Center Dr-Ft Lewis over Truck Ramp is a prestressed concrete stringer/multi-beam or girder carrying Center Dr-Ft Lewis over Truck Ramp 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 172 by 2036. The structure is 99 ft (30.2 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCenter Dr-Ft Lewis
CrossesTruck Ramp
Location3.3 N Thurston CO
Coordinates47.08573, -122.64372
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length99 ft (30.2 m)
Longest span92 ft (28 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2002)
Projected traffic172 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$950,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Center Dr-Ft Lewis over Truck Ramp built?

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

What condition is Center Dr-Ft Lewis over Truck Ramp 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 March 2021.

How much traffic does Center Dr-Ft Lewis over Truck Ramp carry?

About 125 vehicles per day (2002 count), of which roughly 5% are trucks.

How long is Center Dr-Ft Lewis over Truck Ramp?

The structure is 99 ft (30.2 m) long with a longest span of 92 ft (28 m) and a deck 25 ft wide.

Who owns Center Dr-Ft Lewis over Truck Ramp?

It is owned by the State Highway Agency.