US Bridges

Sheldon Road over State Route 99

Good

Sacramento County, California · 03-SAC-099-14.87-ELKG · Structure no. 24 0374

Built
2010
15 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
272 ft
2 main spans
Daily traffic
12,000
2010 count
Owner
State
State Highway Agency

About this bridge

Sheldon Road over State Route 99 is a prestressed concrete continuous box beam or girders - multiple carrying Sheldon Road over State Route 99 in Sacramento County, California. It was built in 2010, so it is 15 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 12,000 vehicles a day, roughly 16% of them trucks, projected to reach 20,814 by 2042. The structure is 272 ft (83 m) long and 149 ft wide.

CarriesSheldon Road
CrossesState Route 99
Location03-SAC-099-14.87-ELKG
RouteCity Street 0
Coordinates38.43763, -121.40216
Functional classUrban Other Principal 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.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length272 ft (83 m)
Longest span143 ft (43.5 m)
Deck width149 ft (45.3 m)
Roadway width135 ft (41.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2010)
Projected traffic20,814 by 2042
Trucks16%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sheldon Road over State Route 99 built?

It was built in 2010, making it 15 years old in 2025.

What condition is Sheldon Road over State Route 99 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 Sheldon Road over State Route 99 carry?

About 12,000 vehicles per day (2010 count), of which roughly 16% are trucks.

How long is Sheldon Road over State Route 99?

The structure is 272 ft (83 m) long with a longest span of 143 ft (43.5 m) and a deck 149 ft wide.

Who owns Sheldon Road over State Route 99?

It is owned by the State Highway Agency.