US Bridges

Alta Mesa Road over North Channel Dry Creek

Good

Sacramento County, California · 0.2 MI N San Joqn CO Line · Structure no. 24C0518

Built
1998
27 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
1,010 ft
20 main spans
Daily traffic
3,400
2009 count
Owner
County
County Highway Agency

About this bridge

Alta Mesa Road over North Channel Dry Creek is a concrete continuous slab carrying Alta Mesa Road over North Channel Dry Creek in Sacramento County, California. It was built in 1998, so it is 27 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 3,400 vehicles a day, roughly 10% of them trucks, projected to reach 12,005 by 2044. The structure is 1,010 ft (308 m) long and 35 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesAlta Mesa Road
CrossesNorth Channel Dry Creek
Location0.2 MI N San Joqn CO Line
RouteCounty Highway 0
Coordinates38.24811, -121.2266
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans20 (+1 approach)
Design loadUnknown
Structure length1,010 ft (308 m)
Longest span92 ft (28 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2009)
Projected traffic12,005 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Alta Mesa Road over North Channel Dry Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Alta Mesa Road over North Channel Dry 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 2024.

How much traffic does Alta Mesa Road over North Channel Dry Creek carry?

About 3,400 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is Alta Mesa Road over North Channel Dry Creek?

The structure is 1,010 ft (308 m) long with a longest span of 92 ft (28 m) and a deck 35 ft wide.

Who owns Alta Mesa Road over North Channel Dry Creek?

It is owned by the County Highway Agency.