US Bridges

Millerton Road over North Fork Little Dry CR

Good

Fresno County, California · 0.8 MI E of Auberry RD · Structure no. 42C0267

Built
1925
100 years old, rebuilt 2021
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
2 main spans
Daily traffic
600
2011 count
Owner
County
County Highway Agency

About this bridge

Millerton Road over North Fork Little Dry CR is a wood or timber stringer/multi-beam or girder carrying Millerton Road over North Fork Little Dry CR in Fresno County, California. It was built in 1925 and reconstructed in 2021, so it is 100 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 600 vehicles a day, roughly 8% of them trucks, projected to reach 855 by 2043. The structure is 31 ft (9.4 m) long and 16 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesMillerton Road
CrossesNorth Fork Little Dry CR
Location0.8 MI E of Auberry RD
RouteCounty Highway 0
Coordinates36.97001, -119.59839
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating35.7 US tons

Structure

MaterialWood or Timber
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2011)
Projected traffic855 by 2043
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Millerton Road over North Fork Little Dry CR built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2021.

What condition is Millerton Road over North Fork Little Dry CR 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 Millerton Road over North Fork Little Dry CR carry?

About 600 vehicles per day (2011 count), of which roughly 8% are trucks.

How long is Millerton Road over North Fork Little Dry CR?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m) and a deck 16 ft wide.

Who owns Millerton Road over North Fork Little Dry CR?

It is owned by the County Highway Agency.