US Bridges

Skyway Avenue over Ltl Chico-Butte CR Dv Ch

Fair

Butte County, California · 0.4 MI NW Humbug Road · Structure no. 12C0216R

Built
1978
47 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
115 ft
4 main spans
Daily traffic
11,000
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Skyway Avenue over Ltl Chico-Butte CR Dv Ch is a concrete continuous slab carrying Skyway Avenue over Ltl Chico-Butte CR Dv Ch in Butte County, California. It was built in 1978, so it is 47 years old, younger 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 11,000 vehicles a day, roughly 3% of them trucks, projected to reach 20,884 by 2042. The structure is 115 ft (34.9 m) long and 37 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesSkyway Avenue
CrossesLtl Chico-Butte CR Dv Ch
Location0.4 MI NW Humbug Road
RouteCity Street 0
CountyButte County
StateCalifornia
Coordinates39.71304, -121.78145
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.4 US tons
Inventory rating63.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length115 ft (34.9 m)
Longest span28 ft (8.6 m)
Deck width37 ft (11.4 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2018)
Projected traffic20,884 by 2042
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Skyway Avenue over Ltl Chico-Butte CR Dv Ch built?

It was built in 1978, making it 47 years old in 2025.

What condition is Skyway Avenue over Ltl Chico-Butte CR Dv Ch 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 October 2024.

How much traffic does Skyway Avenue over Ltl Chico-Butte CR Dv Ch carry?

About 11,000 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Skyway Avenue over Ltl Chico-Butte CR Dv Ch?

The structure is 115 ft (34.9 m) long with a longest span of 28 ft (8.6 m) and a deck 37 ft wide.

Who owns Skyway Avenue over Ltl Chico-Butte CR Dv Ch?

It is owned by the City or Municipal Highway Agency.