US Bridges

State Route 180 over Mill Creek

Fair

Fresno County, California · 06-FRE-180-92.18 · Structure no. 42 0080

Built
1953
72 years old, rebuilt 2020
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
145 ft
3 main spans
Daily traffic
2,675
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 180 over Mill Creek is a concrete continuous tee beam carrying State Route 180 over Mill Creek in Fresno County, California. It was built in 1953 and reconstructed in 2020, so it is 72 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 2,675 vehicles a day, roughly 14% of them trucks, projected to reach 7,454 by 2043. The structure is 145 ft (44.2 m) long and 34 ft wide. If it were closed, the detour would be 55.9 mi (90 km).

CarriesState Route 180
CrossesMill Creek
Location06-FRE-180-92.18
RouteState Highway 180
Coordinates36.75429, -119.21329
Functional classRural Principal Arterial - Other

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.6 US tons
Inventory rating27.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span54 ft (16.5 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,675 (2009)
Projected traffic7,454 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.9 mi (90 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 180 over Mill Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2020.

What condition is State Route 180 over Mill 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 2023.

How much traffic does State Route 180 over Mill Creek carry?

About 2,675 vehicles per day (2009 count), of which roughly 14% are trucks.

How long is State Route 180 over Mill Creek?

The structure is 145 ft (44.2 m) long with a longest span of 54 ft (16.5 m) and a deck 34 ft wide.

Who owns State Route 180 over Mill Creek?

It is owned by the State Highway Agency.