US Bridges

N Monroe Ave over Houghton Canal

Fair

Fresno County, California · 0.5 MI S Belmont Ave · Structure no. 42C0485

Built
1925
100 years old
Condition
Fair
inspected January 2025
Type
Slab
Wood or Timber
Length
27 ft
2 main spans
Daily traffic
210
2010 count
Owner
County
County Highway Agency

About this bridge

N Monroe Ave over Houghton Canal is a wood or timber slab carrying N Monroe Ave over Houghton Canal in Fresno County, California. It was built in 1925, 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 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 210 vehicles a day, roughly 5% of them trucks, projected to reach 255 by 2043. The structure is 27 ft (8.2 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesN Monroe Ave
CrossesHoughton Canal
Location0.5 MI S Belmont Ave
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.74243, -119.94322
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2010)
Projected traffic255 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 N Monroe Ave over Houghton Canal built?

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

What condition is N Monroe Ave over Houghton Canal 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 January 2025.

How much traffic does N Monroe Ave over Houghton Canal carry?

About 210 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is N Monroe Ave over Houghton Canal?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 24 ft wide.

Who owns N Monroe Ave over Houghton Canal?

It is owned by the County Highway Agency.