US Bridges

N Thorne Ave over Dry Creek Canal

Poor

Fresno County, California · At Nielsen Ave · Structure no. 42C0482

Built
1925
100 years old, rebuilt 1940
Condition
Poor
inspected January 2025
Type
Slab
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
1,696
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Thorne Ave over Dry Creek Canal is a concrete continuous slab carrying N Thorne Ave over Dry Creek Canal in Fresno County, California. It was built in 1925 and reconstructed in 1940, so it is 100 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,696 vehicles a day, roughly 5% of them trucks, projected to reach 1,113 by 2047. The structure is 36 ft (11 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN Thorne Ave
CrossesDry Creek Canal
LocationAt Nielsen Ave
RouteCity Street 0
Coordinates36.74323, -119.81297
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length36 ft (11 m)
Longest span17 ft (5.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,696 (2003)
Projected traffic1,113 by 2047
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$179,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was N Thorne Ave over Dry Creek Canal built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1940.

What condition is N Thorne Ave over Dry Creek Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does N Thorne Ave over Dry Creek Canal carry?

About 1,696 vehicles per day (2003 count), of which roughly 5% are trucks.

How long is N Thorne Ave over Dry Creek Canal?

The structure is 36 ft (11 m) long with a longest span of 17 ft (5.3 m) and a deck 32 ft wide.

Who owns N Thorne Ave over Dry Creek Canal?

It is owned by the City or Municipal Highway Agency.