US Bridges

State Route 145 over James Bypass

Fair

Fresno County, California · 06-FRE-145-22.70 · Structure no. 42 0358

Built
1954
71 years old
Condition
Fair
inspected December 2022
Type
Slab
Concrete Continuous
Length
124 ft
6 main spans
Daily traffic
4,600
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 145 over James Bypass is a concrete continuous slab carrying State Route 145 over James Bypass in Fresno County, California. It was built in 1954, so it is 71 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 4,600 vehicles a day, projected to reach 5,743 by 2040. The structure is 124 ft (37.8 m) long and 30 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesState Route 145
CrossesJames Bypass
Location06-FRE-145-22.70
RouteState Highway 145
CountyFresno County
StateCalifornia
Coordinates36.56484, -120.09201
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal 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 spans6
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span22 ft (6.7 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2009)
Projected traffic5,743 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 145 over James Bypass built?

It was built in 1954, making it 71 years old in 2025.

What condition is State Route 145 over James Bypass 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 2022.

How much traffic does State Route 145 over James Bypass carry?

About 4,600 vehicles per day (2009 count).

How long is State Route 145 over James Bypass?

The structure is 124 ft (37.8 m) long with a longest span of 22 ft (6.7 m) and a deck 30 ft wide.

Who owns State Route 145 over James Bypass?

It is owned by the State Highway Agency.