US Bridges

Midway RD over Ash Creek

Fair

Butte County, California · 1.7 MI N of Nelson RD · Structure no. 12C0045

Built
1985
40 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
106 ft
4 main spans
Daily traffic
1,254
2018 count
Owner
County
County Highway Agency

About this bridge

Midway RD over Ash Creek is a concrete continuous slab carrying Midway RD over Ash Creek in Butte County, California. It was built in 1985, so it is 40 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 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 1,254 vehicles a day, roughly 14% of them trucks, projected to reach 2,663 by 2042. The structure is 106 ft (32.3 m) long and 35 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMidway RD
CrossesAsh Creek
Location1.7 MI N of Nelson RD
RouteCounty Highway 0
Coordinates39.57463, -121.77307
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span30 ft (9.1 m)
Deck width35 ft (10.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,254 (2018)
Projected traffic2,663 by 2042
Trucks14%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Midway RD over Ash Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Midway RD over Ash 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 November 2024.

How much traffic does Midway RD over Ash Creek carry?

About 1,254 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is Midway RD over Ash Creek?

The structure is 106 ft (32.3 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.

Who owns Midway RD over Ash Creek?

It is owned by the County Highway Agency.