US Bridges

Holtzel Road over Dutch Creek

Fair

Mariposa County, California · 2.6 MI from Greeley RD · Structure no. 40C0037

Built
1955
70 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
180
2004 count
Owner
County
County Highway Agency

About this bridge

Holtzel Road over Dutch Creek is a steel stringer/multi-beam or girder carrying Holtzel Road over Dutch Creek in Mariposa County, California. It was built in 1955, so it is 70 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 180 vehicles a day, roughly 3% of them trucks, projected to reach 417 by 2042. The structure is 41 ft (12.5 m) long and 13 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesHoltzel Road
CrossesDutch Creek
Location2.6 MI from Greeley RD
RouteCounty Highway 0
CountyMariposa County
StateCalifornia
Coordinates37.72023, -120.09412
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2004)
Projected traffic417 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Holtzel Road over Dutch Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Holtzel Road over Dutch Creek 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 June 2024.

How much traffic does Holtzel Road over Dutch Creek carry?

About 180 vehicles per day (2004 count), of which roughly 3% are trucks.

How long is Holtzel Road over Dutch Creek?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 13 ft wide.

Who owns Holtzel Road over Dutch Creek?

It is owned by the County Highway Agency.