US Bridges

Cottage Way over Strong Ranch Slough

Good

Sacramento County, California · 285 Ft E/O Richmond ST · Structure no. 24C0461

Built
1957
68 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
6,836
2015 count
Owner
County
County Highway Agency

About this bridge

Cottage Way over Strong Ranch Slough is a concrete continuous culvert carrying Cottage Way over Strong Ranch Slough in Sacramento County, California. It was built in 1957, so it is 68 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 6,836 vehicles a day, roughly 5% of them trucks, projected to reach 10,819 by 2044. The structure is 23 ft (7.1 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCottage Way
CrossesStrong Ranch Slough
Location285 Ft E/O Richmond ST
RouteCity Street 0
Coordinates38.60316, -121.38485
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum 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 loadHS 20
Structure length23 ft (7.1 m)
Longest span11 ft (3.4 m)
Deck width60 ft (18.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,836 (2015)
Projected traffic10,819 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cottage Way over Strong Ranch Slough built?

It was built in 1957, making it 68 years old in 2025.

What condition is Cottage Way over Strong Ranch Slough 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 2024.

How much traffic does Cottage Way over Strong Ranch Slough carry?

About 6,836 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Cottage Way over Strong Ranch Slough?

The structure is 23 ft (7.1 m) long with a longest span of 11 ft (3.4 m) and a deck 60 ft wide.

Who owns Cottage Way over Strong Ranch Slough?

It is owned by the County Highway Agency.