US Bridges

Nelson ST over Indian Creek

Fair

Plumas County, California · 1.0 MI N Arlington RD · Structure no. 09C0008

Built
1941
84 years old
Condition
Fair
inspected September 2023
Type
Truss - Thru
Steel
Length
104 ft
1 main span
Daily traffic
280
2018 count
Owner
County
County Highway Agency

About this bridge

Nelson ST over Indian Creek is a steel truss - thru carrying Nelson ST over Indian Creek in Plumas County, California. It was built in 1941, so it is 84 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 280 vehicles a day, roughly 7% of them trucks, projected to reach 838 by 2044. The structure is 104 ft (31.7 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNelson ST
CrossesIndian Creek
Location1.0 MI N Arlington RD
RouteCounty Highway 0
Coordinates40.08753, -120.83572
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
Deck7 GoodSome minor problems.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.4 US tons
Inventory rating21.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length104 ft (31.7 m)
Longest span100 ft (30.5 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2018)
Projected traffic838 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Nelson ST over Indian Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is Nelson ST over Indian Creek 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 September 2023.

How much traffic does Nelson ST over Indian Creek carry?

About 280 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Nelson ST over Indian Creek?

The structure is 104 ft (31.7 m) long with a longest span of 100 ft (30.5 m) and a deck 23 ft wide.

Who owns Nelson ST over Indian Creek?

It is owned by the County Highway Agency.