US Bridges

Rio Blanco Road over Telephone Cut

Good

San Joaquin County, California · 1.0 MI N. 8 MI RD · Structure no. 29C0290

Built
1953
72 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
249 ft
13 main spans
Daily traffic
160
2013 count
Owner
County
County Highway Agency

About this bridge

Rio Blanco Road over Telephone Cut is a wood or timber stringer/multi-beam or girder carrying Rio Blanco Road over Telephone Cut in San Joaquin County, California. It was built in 1953, so it is 72 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 160 vehicles a day, roughly 2% of them trucks, projected to reach 164 by 2042. The structure is 249 ft (75.9 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRio Blanco Road
CrossesTelephone Cut
Location1.0 MI N. 8 MI RD
RouteCounty Highway 0
Coordinates38.07211, -121.41727
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating25.4 US tons

Structure

MaterialWood or Timber
DeckCorrugated steel
Main spans13
Design loadH 15
Structure length249 ft (75.9 m)
Longest span19 ft (5.8 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2013)
Projected traffic164 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Rio Blanco Road over Telephone Cut built?

It was built in 1953, making it 72 years old in 2025.

What condition is Rio Blanco Road over Telephone Cut 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 2024.

How much traffic does Rio Blanco Road over Telephone Cut carry?

About 160 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Rio Blanco Road over Telephone Cut?

The structure is 249 ft (75.9 m) long with a longest span of 19 ft (5.8 m) and a deck 18 ft wide.

Who owns Rio Blanco Road over Telephone Cut?

It is owned by the County Highway Agency.