US Bridges

N. Maple Ave over Mill Ditch

Good

Fresno County, California · Ne/O San Felipe RD · Structure no. 42C0217

Built
1948
77 years old, rebuilt 1958
Condition
Good
inspected January 2025
Type
Slab
Concrete
Length
39 ft
1 main span
Daily traffic
13,021
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

N. Maple Ave over Mill Ditch is a concrete slab carrying N. Maple Ave over Mill Ditch in Fresno County, California. It was built in 1948 and reconstructed in 1958, so it is 77 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 13,021 vehicles a day, roughly 2% of them trucks, projected to reach 9,455 by 2047. The structure is 39 ft (11.9 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN. Maple Ave
CrossesMill Ditch
LocationNe/O San Felipe RD
RouteCity Street 0
Coordinates36.76485, -119.74531
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating28.2 US tons
Inventory rating16.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span37 ft (11.4 m)
Deck width76 ft (23.1 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,021 (2011)
Projected traffic9,455 by 2047
Trucks2%
Lanes on structure5
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 N. Maple Ave over Mill Ditch built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1958.

What condition is N. Maple Ave over Mill Ditch 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 January 2025.

How much traffic does N. Maple Ave over Mill Ditch carry?

About 13,021 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is N. Maple Ave over Mill Ditch?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.4 m) and a deck 76 ft wide.

Who owns N. Maple Ave over Mill Ditch?

It is owned by the City or Municipal Highway Agency.