US Bridges

State Route 145 over Cottonwood Creek

Good

Madera County, California · 06-MAD-145-5.39 · Structure no. 41 0087

Built
2009
16 years old
Condition
Good
inspected November 2022
Type
Slab
Concrete Continuous
Length
134 ft
5 main spans
Daily traffic
5,800
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 145 over Cottonwood Creek is a concrete continuous slab carrying State Route 145 over Cottonwood Creek in Madera County, California. It was built in 2009, so it is 16 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,800 vehicles a day, roughly 12% of them trucks, projected to reach 13,053 by 2041. The structure is 134 ft (40.9 m) long and 42 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesState Route 145
CrossesCottonwood Creek
Location06-MAD-145-5.39
RouteState Highway 145
CountyMadera County
StateCalifornia
Coordinates36.89976, -120.05512
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length134 ft (40.9 m)
Longest span30 ft (9.2 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2009)
Projected traffic13,053 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 145 over Cottonwood Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is State Route 145 over Cottonwood Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2022.

How much traffic does State Route 145 over Cottonwood Creek carry?

About 5,800 vehicles per day (2009 count), of which roughly 12% are trucks.

How long is State Route 145 over Cottonwood Creek?

The structure is 134 ft (40.9 m) long with a longest span of 30 ft (9.2 m) and a deck 42 ft wide.

Who owns State Route 145 over Cottonwood Creek?

It is owned by the State Highway Agency.