US Bridges

State Route 59 over Deadmans Creek

Good

Merced County, California · 10-MER-059-7.90 · Structure no. 39 0061

Built
1989
36 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
80 ft
4 main spans
Daily traffic
5,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 59 over Deadmans Creek is a concrete continuous slab carrying State Route 59 over Deadmans Creek in Merced County, California. It was built in 1989, so it is 36 years old, younger 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 5,000 vehicles a day, projected to reach 11,353 by 2042. The structure is 80 ft (24.4 m) long and 46 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesState Route 59
CrossesDeadmans Creek
Location10-MER-059-7.90
RouteState Highway 59
Coordinates37.19798, -120.48809
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span22 ft (6.7 m)
Deck width46 ft (14 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2009)
Projected traffic11,353 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 59 over Deadmans Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is State Route 59 over Deadmans Creek 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 May 2024.

How much traffic does State Route 59 over Deadmans Creek carry?

About 5,000 vehicles per day (2009 count).

How long is State Route 59 over Deadmans Creek?

The structure is 80 ft (24.4 m) long with a longest span of 22 ft (6.7 m) and a deck 46 ft wide.

Who owns State Route 59 over Deadmans Creek?

It is owned by the State Highway Agency.