US Bridges

SMA7522;400 S. Rd. over B-4 Canal;emerson Br

Fair

Minidoka County, Idaho · 3.0 S. 0.7 W. Paul · Structure no. 000000000019610

Built
1956
69 years old, rebuilt 1976
Condition
Fair
inspected March 2024
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
3,900
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

SMA7522;400 S. Rd. over B-4 Canal;emerson Br is a concrete frame carrying SMA7522;400 S. Rd. over B-4 Canal;emerson Br in Minidoka County, Idaho. It was built in 1956 and reconstructed in 1976, so it is 69 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.

It carries about 3,900 vehicles a day, roughly 34% of them trucks, projected to reach 5,850 by 2042. The structure is 22 ft (6.7 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSMA7522;400 S. Rd.
CrossesB-4 Canal;emerson Br
Location3.0 S. 0.7 W. Paul
RouteCity Street 7522
CountyMinidoka County
StateIdaho
Coordinates42.56144, -113.79858
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
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating30 US tons
Inventory rating18 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width39 ft (11.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2023)
Projected traffic5,850 by 2042
Trucks34%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$303,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SMA7522;400 S. Rd. over B-4 Canal;emerson Br built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1976.

What condition is SMA7522;400 S. Rd. over B-4 Canal;emerson Br 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 SMA7522;400 S. Rd. over B-4 Canal;emerson Br carry?

About 3,900 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is SMA7522;400 S. Rd. over B-4 Canal;emerson Br?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 39 ft wide.

Who owns SMA7522;400 S. Rd. over B-4 Canal;emerson Br?

It is owned by the City or Municipal Highway Agency.