US Bridges

W. 1st North ST over Rexburg Canal

FairPosted for load

Madison County, Idaho · In REXBURG;W.1st N.St · Structure no. 000000000032975

Built
1976
49 years old
Condition
Fair
inspected March 2024
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
2,690
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

W. 1st North ST over Rexburg Canal is a concrete frame carrying W. 1st North ST over Rexburg Canal in Madison County, Idaho. It was built in 1976, so it is 49 years old, older than the Idaho average of 45.3 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. Its operating status is: posted for load restriction.

It carries about 2,690 vehicles a day, roughly 10% of them trucks, projected to reach 4,035 by 2039. The structure is 23 ft (7 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW. 1st North ST
CrossesRexburg Canal
LocationIn REXBURG;W.1st N.St
RouteCity Street 0
CountyMadison County
StateIdaho
Coordinates43.82819, -111.79531
Functional classUrban 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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width54 ft (16.5 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,690 (2023)
Projected traffic4,035 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$588,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was W. 1st North ST over Rexburg Canal built?

It was built in 1976, making it 49 years old in 2025.

What condition is W. 1st North ST over Rexburg 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 March 2024.

How much traffic does W. 1st North ST over Rexburg Canal carry?

About 2,690 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is W. 1st North ST over Rexburg Canal?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 54 ft wide.

Who owns W. 1st North ST over Rexburg Canal?

It is owned by the City or Municipal Highway Agency.