US Bridges

Brentwood Drive over East Lateral Canal

Fair

Bonneville County, Idaho · In Idaho Falls · Structure no. 000000000031398

Built
1975
50 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
1,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Brentwood Drive over East Lateral Canal is a concrete slab carrying Brentwood Drive over East Lateral Canal in Bonneville County, Idaho. It was built in 1975, so it is 50 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 1,000 vehicles a day, roughly 2% of them trucks, projected to reach 1,500 by 2039. The structure is 24 ft (7.3 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesBrentwood Drive
CrossesEast Lateral Canal
LocationIn Idaho Falls
RouteCity Street 0
StateIdaho
Coordinates43.49275, -112.07306
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width49 ft (14.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,500 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Brentwood Drive over East Lateral Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is Brentwood Drive over East Lateral 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 Brentwood Drive over East Lateral Canal carry?

About 1,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Brentwood Drive over East Lateral Canal?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 49 ft wide.

Who owns Brentwood Drive over East Lateral Canal?

It is owned by the City or Municipal Highway Agency.