US Bridges

Main Street over Hesperia BNSF Santa Fe

Fair

San Bernardino County, California · 4.6 MI E/O RTE 15 · Structure no. 54C0225

Built
1975
50 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
360 ft
3 main spans
Daily traffic
40,922
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main Street over Hesperia BNSF Santa Fe is a prestressed concrete stringer/multi-beam or girder carrying Main Street over Hesperia BNSF Santa Fe in San Bernardino County, California. It was built in 1975, so it is 50 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 40,922 vehicles a day, roughly 6% of them trucks, projected to reach 57,627 by 2044. The structure is 360 ft (109.7 m) long and 84 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMain Street
CrossesHesperia BNSF Santa Fe
Location4.6 MI E/O RTE 15
RouteCity Street 0
CountySan Bernardino County
StateCalifornia
Coordinates34.42155, -117.30237
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.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length360 ft (109.7 m)
Longest span86 ft (26.3 m)
Deck width84 ft (25.6 m)
Roadway width72 ft (22 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,922 (2014)
Projected traffic57,627 by 2044
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Main Street over Hesperia BNSF Santa Fe built?

It was built in 1975, making it 50 years old in 2025.

What condition is Main Street over Hesperia BNSF Santa Fe 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 Main Street over Hesperia BNSF Santa Fe carry?

About 40,922 vehicles per day (2014 count), of which roughly 6% are trucks.

How long is Main Street over Hesperia BNSF Santa Fe?

The structure is 360 ft (109.7 m) long with a longest span of 86 ft (26.3 m) and a deck 84 ft wide.

Who owns Main Street over Hesperia BNSF Santa Fe?

It is owned by the City or Municipal Highway Agency.