US Bridges

Applegate Road over State Route 99 & Ramps

Poor

Merced County, California · 10-MER-099-22.76-ATW · Structure no. 39 0127

Built
1957
68 years old
Condition
Poor
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
198 ft
4 main spans
Daily traffic
9,220
1998 count
Owner
State
State Highway Agency

About this bridge

Applegate Road over State Route 99 & Ramps is a concrete continuous tee beam carrying Applegate Road over State Route 99 & Ramps in Merced County, California. It was built in 1957, so it is 68 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 9,220 vehicles a day, roughly 10% of them trucks, projected to reach 38,803 by 2046. The structure is 198 ft (60.4 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesApplegate Road
CrossesState Route 99 & Ramps
Location10-MER-099-22.76-ATW
RouteCity Street 0
CountyMerced County
StateCalifornia
Coordinates37.34436, -120.61336
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating23.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span68 ft (20.7 m)
Deck width35 ft (10.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,220 (1998)
Projected traffic38,803 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$2.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Applegate Road over State Route 99 & Ramps built?

It was built in 1957, making it 68 years old in 2025.

What condition is Applegate Road over State Route 99 & Ramps 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 Applegate Road over State Route 99 & Ramps carry?

About 9,220 vehicles per day (1998 count), of which roughly 10% are trucks.

How long is Applegate Road over State Route 99 & Ramps?

The structure is 198 ft (60.4 m) long with a longest span of 68 ft (20.7 m) and a deck 35 ft wide.

Who owns Applegate Road over State Route 99 & Ramps?

It is owned by the State Highway Agency.