US Bridges

Midway Road over Comanche Creek

Fair

Butte County, California · 0.1 MI S Park Ave · Structure no. 12C0056

Built
1952
73 years old, rebuilt 1998
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
108 ft
4 main spans
Daily traffic
16,900
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Midway Road over Comanche Creek is a concrete continuous slab carrying Midway Road over Comanche Creek in Butte County, California. It was built in 1952 and reconstructed in 1998, so it is 73 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 16,900 vehicles a day, roughly 12% of them trucks, projected to reach 20,884 by 2042. The structure is 108 ft (33 m) long and 54 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMidway Road
CrossesComanche Creek
Location0.1 MI S Park Ave
RouteCity Street 0
CountyButte County
StateCalifornia
Coordinates39.7131, -121.81315
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
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.
Substructure7 GoodSome minor problems.
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 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 adequacy9: Superior 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 length108 ft (33 m)
Longest span30 ft (9.2 m)
Deck width54 ft (16.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,900 (2018)
Projected traffic20,884 by 2042
Trucks12%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 Midway Road over Comanche Creek built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1998.

What condition is Midway Road over Comanche 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 October 2024.

How much traffic does Midway Road over Comanche Creek carry?

About 16,900 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is Midway Road over Comanche Creek?

The structure is 108 ft (33 m) long with a longest span of 30 ft (9.2 m) and a deck 54 ft wide.

Who owns Midway Road over Comanche Creek?

It is owned by the City or Municipal Highway Agency.