US Bridges

Lone Tree Road over Deadman Creek

Fair

Merced County, California · 0.7 MI N Sandy Mush Road · Structure no. 39C0168

Built
1965
60 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
175
1990 count
Owner
County
County Highway Agency

About this bridge

Lone Tree Road over Deadman Creek is a concrete continuous slab carrying Lone Tree Road over Deadman Creek in Merced County, California. It was built in 1965, so it is 60 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 175 vehicles a day, roughly 2% of them trucks, projected to reach 479 by 2042. The structure is 87 ft (26.4 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesLone Tree Road
CrossesDeadman Creek
Location0.7 MI N Sandy Mush Road
RouteCounty Highway 0
CountyMerced County
StateCalifornia
Coordinates37.19446, -120.57951
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length87 ft (26.4 m)
Longest span28 ft (8.5 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (1990)
Projected traffic479 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Lone Tree Road over Deadman Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Lone Tree Road over Deadman 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 November 2024.

How much traffic does Lone Tree Road over Deadman Creek carry?

About 175 vehicles per day (1990 count), of which roughly 2% are trucks.

How long is Lone Tree Road over Deadman Creek?

The structure is 87 ft (26.4 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.

Who owns Lone Tree Road over Deadman Creek?

It is owned by the County Highway Agency.