US Bridges

East Natoma ST WB over Humbug Creek

Good

Sacramento County, California · Near Blue Ravine Road · Structure no. 24C0531L

Built
2005
20 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
6,000
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

East Natoma ST WB over Humbug Creek is a concrete continuous slab carrying East Natoma ST WB over Humbug Creek in Sacramento County, California. It was built in 2005, so it is 20 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 6,000 vehicles a day, roughly 3% of them trucks, projected to reach 7,334 by 2046. The structure is 79 ft (24.2 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesEast Natoma ST WB
CrossesHumbug Creek
LocationNear Blue Ravine Road
RouteCity Street 0
Coordinates38.69003, -121.117
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length79 ft (24.2 m)
Longest span29 ft (8.9 m)
Deck width42 ft (12.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2016)
Projected traffic7,334 by 2046
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 East Natoma ST WB over Humbug Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is East Natoma ST WB over Humbug Creek 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 May 2024.

How much traffic does East Natoma ST WB over Humbug Creek carry?

About 6,000 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is East Natoma ST WB over Humbug Creek?

The structure is 79 ft (24.2 m) long with a longest span of 29 ft (8.9 m) and a deck 42 ft wide.

Who owns East Natoma ST WB over Humbug Creek?

It is owned by the City or Municipal Highway Agency.