US Bridges

Park Rd; Tautphaus over Butte Arm Canal

Fair

Bonneville County, Idaho · In I.F.; Tautphaus Park · Structure no. 000000000031306

Built
2005
20 years old
Condition
Fair
inspected March 2021
Type
Frame
Concrete
Length
26 ft
1 main span
Daily traffic
840
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Park Rd; Tautphaus over Butte Arm Canal is a concrete frame carrying Park Rd; Tautphaus over Butte Arm Canal in Bonneville County, Idaho. It was built in 2005, so it is 20 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 840 vehicles a day, roughly 10% of them trucks, projected to reach 1,260 by 2039. The structure is 26 ft (7.9 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPark Rd; Tautphaus
CrossesButte Arm Canal
LocationIn I.F.; Tautphaus Park
RouteCity Street 0
StateIdaho
Coordinates43.47539, -112.04106
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating64 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2023)
Projected traffic1,260 by 2039
Trucks10%
Lanes on structure1
Traffic directionOne-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Park Rd; Tautphaus over Butte Arm Canal built?

It was built in 2005, making it 20 years old in 2025.

What condition is Park Rd; Tautphaus over Butte Arm 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 2021.

How much traffic does Park Rd; Tautphaus over Butte Arm Canal carry?

About 840 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Park Rd; Tautphaus over Butte Arm Canal?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 27 ft wide.

Who owns Park Rd; Tautphaus over Butte Arm Canal?

It is owned by the City or Municipal Highway Agency.