US Bridges

Lumpkin-Laporte RD over Fall River

FairPosted for load

Butte County, California · 10.5 MI N/E Feather Falls · Structure no. 12C0188

Built
1930
95 years old
Condition
Fair
inspected November 2023
Type
Truss - Thru
Steel
Length
66 ft
1 main span
Daily traffic
71
2019 count
Owner
County
County Highway Agency

About this bridge

Lumpkin-Laporte RD over Fall River is a steel truss - thru carrying Lumpkin-Laporte RD over Fall River in Butte County, California. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 71 vehicles a day, roughly 30% of them trucks, projected to reach 53 by 2041. The structure is 66 ft (20.1 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLumpkin-Laporte RD
CrossesFall River
Location10.5 MI N/E Feather Falls
RouteCounty Highway 0
Coordinates39.65182, -121.18333
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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating14.3 US tons
Inventory rating8.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length66 ft (20.1 m)
Longest span64 ft (19.5 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2019)
Projected traffic53 by 2041
Trucks30%
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

OwnerCounty Highway Agency
Maintained byCounty Highway 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 Lumpkin-Laporte RD over Fall River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Lumpkin-Laporte RD over Fall River 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 November 2023.

How much traffic does Lumpkin-Laporte RD over Fall River carry?

About 71 vehicles per day (2019 count), of which roughly 30% are trucks.

How long is Lumpkin-Laporte RD over Fall River?

The structure is 66 ft (20.1 m) long with a longest span of 64 ft (19.5 m) and a deck 18 ft wide.

Who owns Lumpkin-Laporte RD over Fall River?

It is owned by the County Highway Agency.