US Bridges

SMA7706; E. 4th N. over Rexburg Canal

Fair

Madison County, Idaho · In Rexburg · Structure no. 000000000033008

Built
2009
16 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
1,700
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

SMA7706; E. 4th N. over Rexburg Canal is a concrete slab carrying SMA7706; E. 4th N. over Rexburg Canal in Madison County, Idaho. It was built in 2009, so it is 16 years old, younger 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 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 1,700 vehicles a day, roughly 4% of them trucks, projected to reach 2,550 by 2042. The structure is 27 ft (8.2 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSMA7706; E. 4th N.
CrossesRexburg Canal
LocationIn Rexburg
RouteCity Street 7706
CountyMadison County
StateIdaho
Coordinates43.8335, -111.77114
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width70 ft (21.3 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic2,550 by 2042
Trucks4%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SMA7706; E. 4th N. over Rexburg Canal built?

It was built in 2009, making it 16 years old in 2025.

What condition is SMA7706; E. 4th N. 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 April 2023.

How much traffic does SMA7706; E. 4th N. over Rexburg Canal carry?

About 1,700 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SMA7706; E. 4th N. over Rexburg Canal?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 70 ft wide.

Who owns SMA7706; E. 4th N. over Rexburg Canal?

It is owned by the City or Municipal Highway Agency.