US Bridges

Morninghome RD over Sycamore Creek

Fair

Contra Costa County, California · At Sycamore Valley RD · Structure no. 28C0408

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
400
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Morninghome RD over Sycamore Creek is a concrete continuous culvert carrying Morninghome RD over Sycamore Creek in Contra Costa County, California. It was built in 1970, so it is 55 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 400 vehicles a day, roughly 1% of them trucks, projected to reach 1,087 by 2041. The structure is 24 ft (7.4 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMorninghome RD
CrossesSycamore Creek
LocationAt Sycamore Valley RD
RouteCity Street 0
Coordinates37.81158, -121.98131
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.4 m)
Longest span10 ft (3.2 m)
Deck width50 ft (15.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2020)
Projected traffic1,087 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Morninghome RD over Sycamore Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Morninghome RD over Sycamore 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 March 2024.

How much traffic does Morninghome RD over Sycamore Creek carry?

About 400 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Morninghome RD over Sycamore Creek?

The structure is 24 ft (7.4 m) long with a longest span of 10 ft (3.2 m) and a deck 50 ft wide.

Who owns Morninghome RD over Sycamore Creek?

It is owned by the City or Municipal Highway Agency.