US Bridges

Elwyn Road over Natomas E Tributary No 1

Fair

Sacramento County, California · 0.4 MI N Rio Linda Blvd · Structure no. 24C0314

Built
1984
41 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
49 ft
2 main spans
Daily traffic
1,000
2002 count
Owner
County
County Highway Agency

About this bridge

Elwyn Road over Natomas E Tributary No 1 is a concrete continuous slab carrying Elwyn Road over Natomas E Tributary No 1 in Sacramento County, California. It was built in 1984, so it is 41 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 5 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 1,000 vehicles a day, roughly 10% of them trucks, projected to reach 1,750 by 2042. The structure is 49 ft (14.8 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesElwyn Road
CrossesNatomas E Tributary No 1
Location0.4 MI N Rio Linda Blvd
RouteCounty Highway 0
CountySacramento County
StateCalifornia
Coordinates38.72678, -121.46677
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.5 US tons
Inventory rating55.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length49 ft (14.8 m)
Longest span23 ft (7 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2002)
Projected traffic1,750 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Elwyn Road over Natomas E Tributary No 1 built?

It was built in 1984, making it 41 years old in 2025.

What condition is Elwyn Road over Natomas E Tributary No 1 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 May 2024.

How much traffic does Elwyn Road over Natomas E Tributary No 1 carry?

About 1,000 vehicles per day (2002 count), of which roughly 10% are trucks.

How long is Elwyn Road over Natomas E Tributary No 1?

The structure is 49 ft (14.8 m) long with a longest span of 23 ft (7 m) and a deck 33 ft wide.

Who owns Elwyn Road over Natomas E Tributary No 1?

It is owned by the County Highway Agency.