US Bridges

State Route 16 over Morrison Creek

Fair

Sacramento County, California · 03-SAC-016-6.64 · Structure no. 24 0075

Built
1937
88 years old, rebuilt 1971
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
10,800
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 16 over Morrison Creek is a concrete continuous slab carrying State Route 16 over Morrison Creek in Sacramento County, California. It was built in 1937 and reconstructed in 1971, so it is 88 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 10,800 vehicles a day, projected to reach 26,367 by 2046. The structure is 77 ft (23.6 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesState Route 16
CrossesMorrison Creek
Location03-SAC-016-6.64
RouteState Highway 16
Coordinates38.52697, -121.32759
Functional classRural Minor Arterial

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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating34.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length77 ft (23.6 m)
Longest span28 ft (8.5 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,800 (2019)
Projected traffic26,367 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 16 over Morrison Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1971.

What condition is State Route 16 over Morrison 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 16 over Morrison Creek carry?

About 10,800 vehicles per day (2019 count).

How long is State Route 16 over Morrison Creek?

The structure is 77 ft (23.6 m) long with a longest span of 28 ft (8.5 m) and a deck 44 ft wide.

Who owns State Route 16 over Morrison Creek?

It is owned by the State Highway Agency.