US Bridges

Nat Trails HWY over BNSF RY & AMTRAK

Fair

San Bernardino County, California · 0.26 MI E of Goffs RD · Structure no. 54C0328

Built
1931
94 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
184 ft
5 main spans
Daily traffic
502
2018 count
Owner
County
County Highway Agency

About this bridge

Nat Trails HWY over BNSF RY & AMTRAK is a concrete tee beam carrying Nat Trails HWY over BNSF RY & AMTRAK in San Bernardino County, California. It was built in 1931, so it is 94 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 502 vehicles a day, roughly 5% of them trucks, projected to reach 481 by 2042. The structure is 184 ft (56.1 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesNat Trails HWY
CrossesBNSF RY & AMTRAK
Location0.26 MI E of Goffs RD
RouteCounty Highway 0
Coordinates34.75356, -115.22092
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.7 US tons
Inventory rating29.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length184 ft (56.1 m)
Longest span48 ft (14.6 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic502 (2018)
Projected traffic481 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nat Trails HWY over BNSF RY & AMTRAK built?

It was built in 1931, making it 94 years old in 2025.

What condition is Nat Trails HWY over 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 October 2024.

How much traffic does Nat Trails HWY over BNSF RY & AMTRAK carry?

About 502 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Nat Trails HWY over BNSF RY & AMTRAK?

The structure is 184 ft (56.1 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns Nat Trails HWY over BNSF RY & AMTRAK?

It is owned by the County Highway Agency.