US Bridges

Sma 7166;1st ST over Meppen Canal

Fair

Bonneville County, Idaho · In Idaho FALLS;1st Street · Structure no. 000000000021340

Built
1980
45 years old
Condition
Fair
inspected March 2024
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
18,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sma 7166;1st ST over Meppen Canal is a concrete frame carrying Sma 7166;1st ST over Meppen Canal in Bonneville County, Idaho. It was built in 1980, so it is 45 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 18,000 vehicles a day, roughly 1% of them trucks, projected to reach 27,000 by 2042. The structure is 23 ft (7 m) long and 80 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSma 7166;1st ST
CrossesMeppen Canal
LocationIn Idaho FALLS;1st Street
RouteCity Street 7166
StateIdaho
Coordinates43.49672, -111.99433
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating57 US tons
Inventory rating34 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 width80 ft (24.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2023)
Projected traffic27,000 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Sma 7166;1st ST over Meppen Canal built?

It was built in 1980, making it 45 years old in 2025.

What condition is Sma 7166;1st ST over Meppen 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 Sma 7166;1st ST over Meppen Canal carry?

About 18,000 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Sma 7166;1st ST over Meppen Canal?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 80 ft wide.

Who owns Sma 7166;1st ST over Meppen Canal?

It is owned by the City or Municipal Highway Agency.