US Bridges

I-5 Ramp over Cmstpp RR

Good

Pierce County, Washington · 0.2 N JCT I-5 · Structure no. 0007326F0000000

Built
1964
61 years old
Condition
Good
inspected November 2021
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
17,238
2007 count
Owner
State
State Highway Agency

About this bridge

I-5 Ramp over Cmstpp RR is a concrete slab carrying I-5 Ramp over Cmstpp RR in Pierce County, Washington. It was built in 1964, so it is 61 years old, older 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 17,238 vehicles a day, roughly 5% of them trucks, projected to reach 32,235 by 2036. The structure is 38 ft (11.6 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-5 Ramp
CrossesCmstpp RR
Location0.2 N JCT I-5
RouteState Highway 705
CountyPierce County
StateWashington
Coordinates47.23281, -122.43071
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,238 (2007)
Projected traffic32,235 by 2036
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$593,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 Ramp over Cmstpp RR built?

It was built in 1964, making it 61 years old in 2025.

What condition is I-5 Ramp over Cmstpp RR 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 November 2021.

How much traffic does I-5 Ramp over Cmstpp RR carry?

About 17,238 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is I-5 Ramp over Cmstpp RR?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 40 ft wide.

Who owns I-5 Ramp over Cmstpp RR?

It is owned by the State Highway Agency.