US Bridges

State Route 180 over Mowry Draw

Fair

Fresno County, California · 06-FRE-180-28.24 · Structure no. 42 0044

Built
1946
79 years old, rebuilt 2002
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
5,650
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 180 over Mowry Draw is a concrete continuous slab carrying State Route 180 over Mowry Draw in Fresno County, California. It was built in 1946 and reconstructed in 2002, so it is 79 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 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 5,650 vehicles a day, roughly 14% of them trucks, projected to reach 11,043 by 2042. The structure is 40 ft (12.2 m) long and 55 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesState Route 180
CrossesMowry Draw
Location06-FRE-180-28.24
RouteState Highway 180
Coordinates36.73432, -120.31971
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span22 ft (6.7 m)
Deck width55 ft (16.7 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,650 (2009)
Projected traffic11,043 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo

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 180 over Mowry Draw built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 2002.

What condition is State Route 180 over Mowry Draw 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 December 2024.

How much traffic does State Route 180 over Mowry Draw carry?

About 5,650 vehicles per day (2009 count), of which roughly 14% are trucks.

How long is State Route 180 over Mowry Draw?

The structure is 40 ft (12.2 m) long with a longest span of 22 ft (6.7 m) and a deck 55 ft wide.

Who owns State Route 180 over Mowry Draw?

It is owned by the State Highway Agency.