US Bridges

Folsom Boulevard over Alder Creek

Good

Sacramento County, California · 0.2 MI S/W of U.S. 50 · Structure no. 24C0058

Built
1960
65 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
4,545
2009 count
Owner
County
County Highway Agency

About this bridge

Folsom Boulevard over Alder Creek is a concrete continuous culvert carrying Folsom Boulevard over Alder Creek in Sacramento County, California. It was built in 1960, so it is 65 years old, older 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 4,545 vehicles a day, roughly 10% of them trucks, projected to reach 8,231 by 2040. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesFolsom Boulevard
CrossesAlder Creek
Location0.2 MI S/W of U.S. 50
RouteCounty Highway 0
Coordinates38.63748, -121.19867
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,545 (2009)
Projected traffic8,231 by 2040
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Folsom Boulevard over Alder Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Folsom Boulevard over Alder 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 May 2023.

How much traffic does Folsom Boulevard over Alder Creek carry?

About 4,545 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is Folsom Boulevard over Alder Creek?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m).

Who owns Folsom Boulevard over Alder Creek?

It is owned by the County Highway Agency.