US Bridges

Bowman Road over Interstate 5

Fair

Tehama County, California · 02-TEH-005-41.53 · Structure no. 08 0105

Built
1963
62 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
226 ft
2 main spans
Daily traffic
10,000
2015 count
Owner
State
State Highway Agency

About this bridge

Bowman Road over Interstate 5 is a prestressed concrete stringer/multi-beam or girder carrying Bowman Road over Interstate 5 in Tehama County, California. It was built in 1963, so it is 62 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 10,000 vehicles a day, roughly 3% of them trucks, projected to reach 18,181 by 2042. The structure is 226 ft (68.9 m) long and 35 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesBowman Road
CrossesInterstate 5
Location02-TEH-005-41.53
RouteCounty Highway 0
Coordinates40.36758, -122.28453
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length226 ft (68.9 m)
Longest span80 ft (24.4 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2015)
Projected traffic18,181 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

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 Bowman Road over Interstate 5 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Bowman Road over Interstate 5 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 March 2023.

How much traffic does Bowman Road over Interstate 5 carry?

About 10,000 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Bowman Road over Interstate 5?

The structure is 226 ft (68.9 m) long with a longest span of 80 ft (24.4 m) and a deck 35 ft wide.

Who owns Bowman Road over Interstate 5?

It is owned by the State Highway Agency.