US Bridges

Nicolaus Ave over Coon Creek

Fair

Sutter County, California · 4.85 MI E of SH 99 · Structure no. 18C0075

Built
1930
95 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
42 ft
2 main spans
Daily traffic
405
2015 count
Owner
County
County Highway Agency

About this bridge

Nicolaus Ave over Coon Creek is a concrete continuous slab carrying Nicolaus Ave over Coon Creek in Sutter 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 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 405 vehicles a day, roughly 6% of them trucks, projected to reach 666 by 2046. The structure is 42 ft (12.8 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNicolaus Ave
CrossesCoon Creek
Location4.85 MI E of SH 99
RouteCounty Highway 0
CountySutter County
StateCalifornia
Coordinates38.90738, -121.50611
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating30.8 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic405 (2015)
Projected traffic666 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Nicolaus Ave over Coon Creek built?

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

What condition is Nicolaus Ave over Coon 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 2024.

How much traffic does Nicolaus Ave over Coon Creek carry?

About 405 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is Nicolaus Ave over Coon Creek?

The structure is 42 ft (12.8 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns Nicolaus Ave over Coon Creek?

It is owned by the County Highway Agency.