US Bridges

State Route 89 over Cascade Creek

Good

El Dorado County, California · 03-ED-089-14.81 · Structure no. 25 0017

Built
1995
30 years old
Condition
Good
inspected October 2022
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
2,034
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 89 over Cascade Creek is a prestressed concrete slab carrying State Route 89 over Cascade Creek in El Dorado County, California. It was built in 1995, so it is 30 years old, younger than the California average of 54.8 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 2,034 vehicles a day, roughly 4% of them trucks, projected to reach 5,000 by 2042. The structure is 45 ft (13.7 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesState Route 89
CrossesCascade Creek
Location03-ED-089-14.81
RouteState Highway 89
CountyEl Dorado County
StateCalifornia
Coordinates38.94952, -120.08436
Functional classRural Minor Arterial

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 inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment7: Better than present minimum criteria
Operating rating68.2 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length45 ft (13.7 m)
Longest span44 ft (13.5 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,034 (2015)
Projected traffic5,000 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 89 over Cascade Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is State Route 89 over Cascade 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 October 2022.

How much traffic does State Route 89 over Cascade Creek carry?

About 2,034 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is State Route 89 over Cascade Creek?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.5 m) and a deck 36 ft wide.

Who owns State Route 89 over Cascade Creek?

It is owned by the State Highway Agency.