US Bridges

Dayton-Durham HWY over Butte Creek

Fair

Butte County, California · 0.8 MI E Midway RD · Structure no. 12C0004

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
386 ft
12 main spans
Daily traffic
3,013
2018 count
Owner
County
County Highway Agency

About this bridge

Dayton-Durham HWY over Butte Creek is a concrete continuous slab carrying Dayton-Durham HWY over Butte Creek in Butte County, California. It was built in 1970, so it is 55 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 3,013 vehicles a day, roughly 12% of them trucks, projected to reach 3,421 by 2046. The structure is 386 ft (117.8 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesDayton-Durham HWY
CrossesButte Creek
Location0.8 MI E Midway RD
RouteCounty Highway 0
CountyButte County
StateCalifornia
Coordinates39.64582, -121.78665
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
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length386 ft (117.8 m)
Longest span32 ft (9.8 m)
Deck width38 ft (11.5 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,013 (2018)
Projected traffic3,421 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dayton-Durham HWY over Butte Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Dayton-Durham HWY over Butte 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 May 2024.

How much traffic does Dayton-Durham HWY over Butte Creek carry?

About 3,013 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is Dayton-Durham HWY over Butte Creek?

The structure is 386 ft (117.8 m) long with a longest span of 32 ft (9.8 m) and a deck 38 ft wide.

Who owns Dayton-Durham HWY over Butte Creek?

It is owned by the County Highway Agency.