US Bridges

Marengo RD over Deadman Gulch

Good

Sacramento County, California · 0.5 MI S Twin Cities RD · Structure no. 24C0433

Built
1990
35 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
25 ft
3 main spans
Daily traffic
6,560
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

Marengo RD over Deadman Gulch is a concrete continuous culvert carrying Marengo RD over Deadman Gulch in Sacramento County, California. It was built in 1990, so it is 35 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 6,560 vehicles a day, roughly 3% of them trucks, projected to reach 8,337 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMarengo RD
CrossesDeadman Gulch
Location0.5 MI S Twin Cities RD
RouteCounty Highway 0
Coordinates38.28245, -121.28256
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,560 (2007)
Projected traffic8,337 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Marengo RD over Deadman Gulch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Marengo RD over Deadman Gulch 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 October 2024.

How much traffic does Marengo RD over Deadman Gulch carry?

About 6,560 vehicles per day (2007 count), of which roughly 3% are trucks.

How long is Marengo RD over Deadman Gulch?

The structure is 25 ft (7.6 m) long with a longest span of 7 ft (2.1 m).

Who owns Marengo RD over Deadman Gulch?

It is owned by the City or Municipal Highway Agency.