US Bridges

Flat Rock RD over Linda Creek Tributary

Good

Sacramento County, California · Just S of Alpine Falls DR · Structure no. 24C0628

Built
1999
26 years old
Condition
Good
inspected May 2022
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
500
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Flat Rock RD over Linda Creek Tributary is a concrete continuous culvert carrying Flat Rock RD over Linda Creek Tributary in Sacramento County, California. It was built in 1999, so it is 26 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 876 by 2044. The structure is 25 ft (7.5 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesFlat Rock RD
CrossesLinda Creek Tributary
LocationJust S of Alpine Falls DR
RouteCity Street 0
Coordinates38.7121, -121.18669
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2022
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 geometry7: 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
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span12 ft (3.6 m)
Deck width48 ft (14.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2016)
Projected traffic876 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-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 Flat Rock RD over Linda Creek Tributary built?

It was built in 1999, making it 26 years old in 2025.

What condition is Flat Rock RD over Linda Creek Tributary 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 2022.

How much traffic does Flat Rock RD over Linda Creek Tributary carry?

About 500 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Flat Rock RD over Linda Creek Tributary?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.6 m) and a deck 48 ft wide.

Who owns Flat Rock RD over Linda Creek Tributary?

It is owned by the City or Municipal Highway Agency.