US Bridges

Alfalfa Ave over Miles Creek

Good

Merced County, California · 0.7 MI S of East.Mission · Structure no. 39C0388

Built
2007
18 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
889
2018 count
Owner
County
County Highway Agency

About this bridge

Alfalfa Ave over Miles Creek is a concrete continuous slab carrying Alfalfa Ave over Miles Creek in Merced County, California. It was built in 2007, so it is 18 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 889 vehicles a day, roughly 5% of them trucks, projected to reach 1,043 by 2042. The structure is 103 ft (31.4 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAlfalfa Ave
CrossesMiles Creek
Location0.7 MI S of East.Mission
RouteCounty Highway 0
Coordinates37.26497, -120.42728
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
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 spans3
Design loadHS 20 + Mod
Structure length103 ft (31.4 m)
Longest span34 ft (10.3 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic889 (2018)
Projected traffic1,043 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Alfalfa Ave over Miles Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Alfalfa Ave over Miles 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 September 2024.

How much traffic does Alfalfa Ave over Miles Creek carry?

About 889 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Alfalfa Ave over Miles Creek?

The structure is 103 ft (31.4 m) long with a longest span of 34 ft (10.3 m) and a deck 42 ft wide.

Who owns Alfalfa Ave over Miles Creek?

It is owned by the County Highway Agency.