US Bridges

Fourth Avenue over Branch of Eastside Canal

Good

Merced County, California · 0.25 MI W Northrup Road · Structure no. 39C0338

Built
1968
57 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
150
2014 count
Owner
County
County Highway Agency

About this bridge

Fourth Avenue over Branch of Eastside Canal is a concrete slab carrying Fourth Avenue over Branch of Eastside Canal in Merced County, California. It was built in 1968, so it is 57 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 150 vehicles a day, roughly 3% of them trucks, projected to reach 327 by 2041. The structure is 24 ft (7.3 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFourth Avenue
CrossesBranch of Eastside Canal
Location0.25 MI W Northrup Road
RouteCounty Highway 0
Coordinates37.32059, -120.88934
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating68.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2014)
Projected traffic327 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Fourth Avenue over Branch of Eastside Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is Fourth Avenue over Branch of Eastside Canal 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 February 2023.

How much traffic does Fourth Avenue over Branch of Eastside Canal carry?

About 150 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is Fourth Avenue over Branch of Eastside Canal?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 29 ft wide.

Who owns Fourth Avenue over Branch of Eastside Canal?

It is owned by the County Highway Agency.