US Bridges

Leininger RD over Juniper Gulch

Poor

Tehama County, California · 1.4 MI N/O Orchard RD · Structure no. 08C0299

Built
1975
50 years old
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
50 ft
2 main spans
Daily traffic
232
2009 count
Owner
County
County Highway Agency

About this bridge

Leininger RD over Juniper Gulch is a steel continuous stringer/multi-beam or girder carrying Leininger RD over Juniper Gulch in Tehama County, California. It was built in 1975, so it is 50 years old, younger 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 232 vehicles a day, roughly 10% of them trucks, projected to reach 194 by 2043. The structure is 50 ft (15.2 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesLeininger RD
CrossesJuniper Gulch
Location1.4 MI N/O Orchard RD
RouteCounty Highway 0
Coordinates39.97682, -122.01408
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating54.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span24 ft (7.3 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic232 (2009)
Projected traffic194 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$359,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Leininger RD over Juniper Gulch built?

It was built in 1975, making it 50 years old in 2025.

What condition is Leininger RD over Juniper Gulch 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 December 2023.

How much traffic does Leininger RD over Juniper Gulch carry?

About 232 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is Leininger RD over Juniper Gulch?

The structure is 50 ft (15.2 m) long with a longest span of 24 ft (7.3 m) and a deck 20 ft wide.

Who owns Leininger RD over Juniper Gulch?

It is owned by the County Highway Agency.