US Bridges

State Route 180 EB over China Slough

Good

Fresno County, California · 06-FRE-180-R75.30 · Structure no. 42 0444R

Built
2020
5 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
4,425
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 180 EB over China Slough is a prestressed concrete stringer/multi-beam or girder carrying State Route 180 EB over China Slough in Fresno County, California. It was built in 2020, so it is 5 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 4,425 vehicles a day, roughly 11% of them trucks, projected to reach 10,517 by 2043. The structure is 92 ft (28 m) long and 53 ft wide.

CarriesState Route 180 EB
CrossesChina Slough
Location06-FRE-180-R75.30
RouteState Highway 180
Coordinates36.73358, -119.49386
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length92 ft (28 m)
Longest span87 ft (26.4 m)
Deck width53 ft (16.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,425 (2019)
Projected traffic10,517 by 2043
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 180 EB over China Slough built?

It was built in 2020, making it 5 years old in 2025.

What condition is State Route 180 EB over China Slough 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 October 2023.

How much traffic does State Route 180 EB over China Slough carry?

About 4,425 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is State Route 180 EB over China Slough?

The structure is 92 ft (28 m) long with a longest span of 87 ft (26.4 m) and a deck 53 ft wide.

Who owns State Route 180 EB over China Slough?

It is owned by the State Highway Agency.