US Bridges

Exposition Blvd over State Route 51

Fair

Sacramento County, California · 03-SAC-051-3.36-SAC · Structure no. 24 0285

Built
1968
57 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
219 ft
2 main spans
Daily traffic
20,000
2015 count
Owner
State
State Highway Agency

About this bridge

Exposition Blvd over State Route 51 is a prestressed concrete continuous stringer/multi-beam or girder carrying Exposition Blvd over State Route 51 in Sacramento County, California. It was built in 1968, so it is 57 years old, older 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 20,000 vehicles a day, roughly 10% of them trucks, projected to reach 22,131 by 2040. The structure is 219 ft (66.8 m) long and 79 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesExposition Blvd
CrossesState Route 51
Location03-SAC-051-3.36-SAC
RouteCity Street 0
CountySacramento County
StateCalifornia
Coordinates38.59699, -121.44392
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length219 ft (66.8 m)
Longest span114 ft (34.7 m)
Deck width79 ft (24.1 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2015)
Projected traffic22,131 by 2040
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Exposition Blvd over State Route 51 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Exposition Blvd over State Route 51 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 November 2023.

How much traffic does Exposition Blvd over State Route 51 carry?

About 20,000 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Exposition Blvd over State Route 51?

The structure is 219 ft (66.8 m) long with a longest span of 114 ft (34.7 m) and a deck 79 ft wide.

Who owns Exposition Blvd over State Route 51?

It is owned by the State Highway Agency.