US Bridges

Italian Bar RD over Rose Creek

Poor

Tuolumne County, California · 10.7 MI NE Big Hill Road · Structure no. 32C0037

Built
1925
100 years old
Condition
Poor
inspected May 2024
Type
Slab
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
20
2016 count
Owner
County
County Highway Agency

About this bridge

Italian Bar RD over Rose Creek is a concrete continuous slab carrying Italian Bar RD over Rose Creek in Tuolumne County, California. It was built in 1925, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 20 vehicles a day, roughly 4% of them trucks, projected to reach 555 by 2046. The structure is 34 ft (10.4 m) long and 17 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

CarriesItalian Bar RD
CrossesRose Creek
Location10.7 MI NE Big Hill Road
RouteCounty Highway 0
Coordinates38.10448, -120.31885
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating28.5 US tons
Inventory rating17.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span15 ft (4.6 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2016)
Projected traffic555 by 2046
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$212,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Italian Bar RD over Rose Creek built?

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

What condition is Italian Bar RD over Rose Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Italian Bar RD over Rose Creek carry?

About 20 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is Italian Bar RD over Rose Creek?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.6 m) and a deck 17 ft wide.

Who owns Italian Bar RD over Rose Creek?

It is owned by the County Highway Agency.