US Bridges

E50(I-305)-N51&S99 over X ST-E50 X ST Broadway

Good

Sacramento County, California · 03-SAC-050-L2.33-SAC · Structure no. 24 0225G

Built
1968
57 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
975 ft
13 main spans
Daily traffic
45,000
2020 count
Owner
State
State Highway Agency

About this bridge

E50(I-305)-N51&S99 over X ST-E50 X ST Broadway is a prestressed concrete box beam or girders - multiple carrying E50(I-305)-N51&S99 over X ST-E50 X ST Broadway 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 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 45,000 vehicles a day, roughly 6% of them trucks, projected to reach 58,981 by 2041. The structure is 975 ft (297.2 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesE50(I-305)-N51&S99
CrossesX ST-E50 X ST Broadway
Location03-SAC-050-L2.33-SAC
RouteInterstate 50
CountySacramento County
StateCalifornia
Coordinates38.55877, -121.47636
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating49.6 US tons
Inventory rating30 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans13 (+1 approach)
Design loadHS 20
Structure length975 ft (297.2 m)
Longest span188 ft (57.3 m)
Deck width70 ft (21.3 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deck21 ft (6.4 m)

Traffic and service

Average daily traffic45,000 (2020)
Projected traffic58,981 by 2041
Trucks6%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 E50(I-305)-N51&S99 over X ST-E50 X ST Broadway built?

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

What condition is E50(I-305)-N51&S99 over X ST-E50 X ST Broadway 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 October 2023.

How much traffic does E50(I-305)-N51&S99 over X ST-E50 X ST Broadway carry?

About 45,000 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is E50(I-305)-N51&S99 over X ST-E50 X ST Broadway?

The structure is 975 ft (297.2 m) long with a longest span of 188 ft (57.3 m) and a deck 70 ft wide.

Who owns E50(I-305)-N51&S99 over X ST-E50 X ST Broadway?

It is owned by the State Highway Agency.