US Bridges

State Route 99 over UP RR BNSF RY & AMTRAK

Fair

Sacramento County, California · 03-SAC-099-8.81 · Structure no. 24 0392

Built
2022
3 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
222 ft
1 main span
Daily traffic
84,000
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 99 over UP RR BNSF RY & AMTRAK is a prestressed concrete stringer/multi-beam or girder carrying State Route 99 over UP RR BNSF RY & AMTRAK in Sacramento County, California. It was built in 2022, so it is 3 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 84,000 vehicles a day, roughly 15% of them trucks, projected to reach 109,200 by 2042. The structure is 222 ft (67.7 m) long and 227 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesState Route 99
CrossesUP RR BNSF RY & AMTRAK
Location03-SAC-099-8.81
RouteState Highway 99
CountySacramento County
StateCalifornia
Coordinates38.36251, -121.34714
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length222 ft (67.7 m)
Longest span218 ft (66.4 m)
Deck width227 ft (69.2 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,000 (2019)
Projected traffic109,200 by 2042
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed19.9 mi (32 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 State Route 99 over UP RR BNSF RY & AMTRAK built?

It was built in 2022, making it 3 years old in 2025.

What condition is State Route 99 over UP RR BNSF RY & AMTRAK 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 January 2024.

How much traffic does State Route 99 over UP RR BNSF RY & AMTRAK carry?

About 84,000 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is State Route 99 over UP RR BNSF RY & AMTRAK?

The structure is 222 ft (67.7 m) long with a longest span of 218 ft (66.4 m) and a deck 227 ft wide.

Who owns State Route 99 over UP RR BNSF RY & AMTRAK?

It is owned by the State Highway Agency.