US Bridges

State Route 99 over Consumnes River Overflow

Good

Sacramento County, California · 03-SAC-099-7.92 · Structure no. 24 0390

Built
2022
3 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
665 ft
6 main spans
Daily traffic
84,000
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 99 over Consumnes River Overflow is a prestressed concrete continuous stringer/multi-beam or girder carrying State Route 99 over Consumnes River Overflow in Sacramento County, California. It was built in 2022, so it is 3 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 84,000 vehicles a day, roughly 18% of them trucks, projected to reach 109,200 by 2042. The structure is 665 ft (202.7 m) long and 117 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesState Route 99
CrossesConsumnes River Overflow
Location03-SAC-099-7.92
RouteState Highway 99
Coordinates38.35114, -121.33963
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length665 ft (202.7 m)
Longest span129 ft (39.2 m)
Deck width117 ft (35.8 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,000 (2019)
Projected traffic109,200 by 2042
Trucks18%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
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 State Route 99 over Consumnes River Overflow built?

It was built in 2022, making it 3 years old in 2025.

What condition is State Route 99 over Consumnes River Overflow 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 State Route 99 over Consumnes River Overflow carry?

About 84,000 vehicles per day (2019 count), of which roughly 18% are trucks.

How long is State Route 99 over Consumnes River Overflow?

The structure is 665 ft (202.7 m) long with a longest span of 129 ft (39.2 m) and a deck 117 ft wide.

Who owns State Route 99 over Consumnes River Overflow?

It is owned by the State Highway Agency.