US Bridges

State Route 51 over Arcade Creek

Good

Sacramento County, California · 03-SAC-051-8.06-SAC · Structure no. 24 0126

Built
1954
71 years old, rebuilt 1968
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
145,000
2014 count
Owner
State
State Highway Agency

About this bridge

State Route 51 over Arcade Creek is a concrete continuous slab carrying State Route 51 over Arcade Creek in Sacramento County, California. It was built in 1954 and reconstructed in 1968, so it is 71 years old, older 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 145,000 vehicles a day, roughly 6% of them trucks, projected to reach 196,000 by 2041. The structure is 102 ft (31.2 m) long and 110 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 51
CrossesArcade Creek
Location03-SAC-051-8.06-SAC
RouteState Highway 51
Coordinates38.6407, -121.38203
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating68.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.2 m)
Longest span40 ft (12.2 m)
Deck width110 ft (33.4 m)
Roadway width104 ft (31.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145,000 (2014)
Projected traffic196,000 by 2041
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 51 over Arcade Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1968.

What condition is State Route 51 over Arcade 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 November 2023.

How much traffic does State Route 51 over Arcade Creek carry?

About 145,000 vehicles per day (2014 count), of which roughly 6% are trucks.

How long is State Route 51 over Arcade Creek?

The structure is 102 ft (31.2 m) long with a longest span of 40 ft (12.2 m) and a deck 110 ft wide.

Who owns State Route 51 over Arcade Creek?

It is owned by the State Highway Agency.