US Bridges

S99-COSUMNES Offrp over Strawberry Creek

Fair

Sacramento County, California · 03-SAC-099-16.36-SAC · Structure no. 24 0016K

Built
1995
30 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
106 ft
3 main spans
Daily traffic
11,700
2019 count
Owner
State
State Highway Agency

About this bridge

S99-COSUMNES Offrp over Strawberry Creek is a concrete continuous slab carrying S99-COSUMNES Offrp over Strawberry Creek in Sacramento County, California. It was built in 1995, so it is 30 years old, younger 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 11,700 vehicles a day, roughly 16% of them trucks, projected to reach 22,402 by 2042. The structure is 106 ft (32.3 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS99-COSUMNES Offrp
CrossesStrawberry Creek
Location03-SAC-099-16.36-SAC
RouteState Highway 99
Coordinates38.45788, -121.41249
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length106 ft (32.3 m)
Longest span42 ft (12.8 m)
Deck width52 ft (15.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,700 (2019)
Projected traffic22,402 by 2042
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 S99-COSUMNES Offrp over Strawberry Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is S99-COSUMNES Offrp 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 S99-COSUMNES Offrp over Strawberry Creek carry?

About 11,700 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is S99-COSUMNES Offrp over Strawberry Creek?

The structure is 106 ft (32.3 m) long with a longest span of 42 ft (12.8 m) and a deck 52 ft wide.

Who owns S99-COSUMNES Offrp over Strawberry Creek?

It is owned by the State Highway Agency.