US Bridges

Lofgren Road over Irrigation Lateral

Fair

Butte County, California · 1 MI W Midway RD · Structure no. 12C0152

Built
1920
105 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
37 ft
2 main spans
Daily traffic
20
2017 count
Owner
Local
Other Local Agency

About this bridge

Lofgren Road over Irrigation Lateral is a steel continuous stringer/multi-beam or girder carrying Lofgren Road over Irrigation Lateral in Butte County, California. It was built in 1920, so it is 105 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 20 vehicles a day, projected to reach 21 by 2045. The structure is 37 ft (11.3 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLofgren Road
CrossesIrrigation Lateral
Location1 MI W Midway RD
RouteCounty Highway 0
CountyButte County
StateCalifornia
Coordinates39.48654, -121.76356
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.8 US tons
Inventory rating18.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span19 ft (5.8 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2017)
Projected traffic21 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lofgren Road over Irrigation Lateral built?

It was built in 1920, making it 105 years old in 2025.

What condition is Lofgren Road over Irrigation Lateral 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 February 2025.

How much traffic does Lofgren Road over Irrigation Lateral carry?

About 20 vehicles per day (2017 count).

How long is Lofgren Road over Irrigation Lateral?

The structure is 37 ft (11.3 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.

Who owns Lofgren Road over Irrigation Lateral?

It is owned by the Other Local Agency.