US Bridges

Mather Field Road over U.S. Highway 50

Fair

Sacramento County, California · 03-SAC-050-R9.51-RACO · Structure no. 24 0175

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
222 ft
2 main spans
Daily traffic
20,000
2020 count
Owner
State
State Highway Agency

About this bridge

Mather Field Road over U.S. Highway 50 is a prestressed concrete continuous box beam or girders - multiple carrying Mather Field Road over U.S. Highway 50 in Sacramento County, California. It was built in 1973, so it is 52 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 20,000 vehicles a day, roughly 10% of them trucks, projected to reach 28,101 by 2042. The structure is 222 ft (67.7 m) long and 92 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMather Field Road
CrossesU.S. Highway 50
Location03-SAC-050-R9.51-RACO
RouteCounty Highway 0
Coordinates38.57866, -121.30842
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
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 geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span111 ft (33.8 m)
Deck width92 ft (28 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2020)
Projected traffic28,101 by 2042
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 Mather Field Road over U.S. Highway 50 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Mather Field Road over U.S. Highway 50 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 2024.

How much traffic does Mather Field Road over U.S. Highway 50 carry?

About 20,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Mather Field Road over U.S. Highway 50?

The structure is 222 ft (67.7 m) long with a longest span of 111 ft (33.8 m) and a deck 92 ft wide.

Who owns Mather Field Road over U.S. Highway 50?

It is owned by the State Highway Agency.