US Bridges

Bowman Road over UP RR BNSF RY & AMTRAK

Fair

Placer County, California · 0.1 MI S. Old Airport Rd. · Structure no. 19C0062

Built
1949
76 years old, rebuilt 2019
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
160 ft
3 main spans
Daily traffic
6,032
2006 count
Owner
County
County Highway Agency

About this bridge

Bowman Road over UP RR BNSF RY & AMTRAK is a concrete continuous tee beam carrying Bowman Road over UP RR BNSF RY & AMTRAK in Placer County, California. It was built in 1949 and reconstructed in 2019, so it is 76 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 6 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 6,032 vehicles a day, roughly 10% of them trucks, projected to reach 8,772 by 2042. The structure is 160 ft (48.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBowman Road
CrossesUP RR BNSF RY & AMTRAK
Location0.1 MI S. Old Airport Rd.
RouteCounty Highway 0
Coordinates38.94029, -121.05172
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.3 US tons
Inventory rating33.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span60 ft (18.3 m)
Deck width40 ft (12.3 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,032 (2006)
Projected traffic8,772 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Bowman Road over UP RR BNSF RY & AMTRAK built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2019.

What condition is Bowman Road 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 May 2024.

How much traffic does Bowman Road over UP RR BNSF RY & AMTRAK carry?

About 6,032 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is Bowman Road over UP RR BNSF RY & AMTRAK?

The structure is 160 ft (48.8 m) long with a longest span of 60 ft (18.3 m) and a deck 40 ft wide.

Who owns Bowman Road over UP RR BNSF RY & AMTRAK?

It is owned by the County Highway Agency.