US Bridges

UP RR BNSF RY over Martin Luther King Jr Bl

Fair

San Joaquin County, California · 0.2 MI West of Airport Wy · Structure no. 29C0417

Built
1937
88 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
65 ft
2 main spans
Daily traffic
150
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

UP RR BNSF RY over Martin Luther King Jr Bl is a concrete continuous slab carrying UP RR BNSF RY over Martin Luther King Jr Bl in San Joaquin County, California. It was built in 1937, so it is 88 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 150 vehicles a day, roughly 14% of them trucks, projected to reach 357 by 2045. The structure is 65 ft (19.8 m) long and 154 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUP RR BNSF RY
CrossesMartin Luther King Jr Bl
Location0.2 MI West of Airport Wy
RouteCity Street 0
CountySan Joaquin County
StateCalifornia
Coordinates37.94093, -121.274
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating17.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length65 ft (19.8 m)
Longest span30 ft (9.1 m)
Deck width154 ft (47 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2019)
Projected traffic357 by 2045
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and railroad
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 UP RR BNSF RY over Martin Luther King Jr Bl built?

It was built in 1937, making it 88 years old in 2025.

What condition is UP RR BNSF RY over Martin Luther King Jr Bl 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 2025.

How much traffic does UP RR BNSF RY over Martin Luther King Jr Bl carry?

About 150 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is UP RR BNSF RY over Martin Luther King Jr Bl?

The structure is 65 ft (19.8 m) long with a longest span of 30 ft (9.1 m) and a deck 154 ft wide.

Who owns UP RR BNSF RY over Martin Luther King Jr Bl?

It is owned by the City or Municipal Highway Agency.