US Bridges

State Route 99 over Strawberry Creek

Fair

Sacramento County, California · 03-SAC-099-16.35-SAC · Structure no. 24 0016

Built
1924
101 years old, rebuilt 1955
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
55 ft
3 main spans
Daily traffic
131,000
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 99 over Strawberry Creek is a concrete continuous slab carrying State Route 99 over Strawberry Creek in Sacramento County, California. It was built in 1924 and reconstructed in 1955, so it is 101 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 6 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 131,000 vehicles a day, roughly 6% of them trucks, projected to reach 217,315 by 2046. The structure is 55 ft (16.8 m) long and 192 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesState Route 99
CrossesStrawberry Creek
Location03-SAC-099-16.35-SAC
RouteState Highway 99
Coordinates38.45816, -121.41095
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.8 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span18 ft (5.5 m)
Deck width192 ft (58.4 m)
Roadway width188 ft (57.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic131,000 (2019)
Projected traffic217,315 by 2046
Trucks6%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 99 over Strawberry Creek built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1955.

What condition is State Route 99 over Strawberry 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 January 2024.

How much traffic does State Route 99 over Strawberry Creek carry?

About 131,000 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is State Route 99 over Strawberry Creek?

The structure is 55 ft (16.8 m) long with a longest span of 18 ft (5.5 m) and a deck 192 ft wide.

Who owns State Route 99 over Strawberry Creek?

It is owned by the State Highway Agency.