US Bridges

N. Chestnut Ave over Mill Ditch

Fair

Fresno County, California · South of Mckinley Av · Structure no. 42C0224

Built
1959
66 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
44 ft
2 main spans
Daily traffic
29,841
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

N. Chestnut Ave over Mill Ditch is a concrete continuous slab carrying N. Chestnut Ave over Mill Ditch in Fresno County, California. It was built in 1959, so it is 66 years old, older 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 29,841 vehicles a day, roughly 4% of them trucks, projected to reach 44,494 by 2047. The structure is 44 ft (13.4 m) long and 81 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesN. Chestnut Ave
CrossesMill Ditch
LocationSouth of Mckinley Av
RouteCity Street 0
CountyFresno County
StateCalifornia
Coordinates36.76489, -119.73622
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span22 ft (6.7 m)
Deck width81 ft (24.8 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,841 (2003)
Projected traffic44,494 by 2047
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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. Chestnut Ave over Mill Ditch built?

It was built in 1959, making it 66 years old in 2025.

What condition is N. Chestnut Ave over Mill Ditch 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 N. Chestnut Ave over Mill Ditch carry?

About 29,841 vehicles per day (2003 count), of which roughly 4% are trucks.

How long is N. Chestnut Ave over Mill Ditch?

The structure is 44 ft (13.4 m) long with a longest span of 22 ft (6.7 m) and a deck 81 ft wide.

Who owns N. Chestnut Ave over Mill Ditch?

It is owned by the City or Municipal Highway Agency.