US Bridges

Horn RD over Boyd Station Drainage Ch

Fair

Sacramento County, California · 0.5 MI W Routier RD · Structure no. 24C0411

Built
1978
47 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
42 ft
2 main spans
Daily traffic
4,415
2014 count
Owner
County
County Highway Agency

About this bridge

Horn RD over Boyd Station Drainage Ch is a concrete continuous slab carrying Horn RD over Boyd Station Drainage Ch in Sacramento County, California. It was built in 1978, so it is 47 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,415 vehicles a day, roughly 2% of them trucks, projected to reach 3,284 by 2047. The structure is 42 ft (12.7 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHorn RD
CrossesBoyd Station Drainage Ch
Location0.5 MI W Routier RD
RouteCounty Highway 0
Coordinates38.57463, -121.32712
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length42 ft (12.7 m)
Longest span20 ft (6.1 m)
Deck width59 ft (17.9 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,415 (2014)
Projected traffic3,284 by 2047
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Horn RD over Boyd Station Drainage Ch built?

It was built in 1978, making it 47 years old in 2025.

What condition is Horn RD over Boyd Station Drainage Ch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does Horn RD over Boyd Station Drainage Ch carry?

About 4,415 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Horn RD over Boyd Station Drainage Ch?

The structure is 42 ft (12.7 m) long with a longest span of 20 ft (6.1 m) and a deck 59 ft wide.

Who owns Horn RD over Boyd Station Drainage Ch?

It is owned by the County Highway Agency.