US Bridges

Taylor St/Landbank over Porter Canal

Fair

Bonneville County, Idaho · In Idaho Falls · Structure no. 000000000031400

Built
1965
60 years old, rebuilt 2014
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
36 ft
1 main span
Daily traffic
300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Taylor St/Landbank over Porter Canal is a concrete stringer/multi-beam or girder carrying Taylor St/Landbank over Porter Canal in Bonneville County, Idaho. It was built in 1965 and reconstructed in 2014, so it is 60 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 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 450 by 2039. The structure is 36 ft (11.1 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTaylor St/Landbank
CrossesPorter Canal
LocationIn Idaho Falls
RouteCity Street 0
StateIdaho
Coordinates43.50353, -112.0495
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11.1 m)
Longest span35 ft (10.7 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic450 by 2039
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Taylor St/Landbank over Porter Canal built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2014.

What condition is Taylor St/Landbank over Porter 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 Taylor St/Landbank over Porter Canal carry?

About 300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Taylor St/Landbank over Porter Canal?

The structure is 36 ft (11.1 m) long with a longest span of 35 ft (10.7 m) and a deck 29 ft wide.

Who owns Taylor St/Landbank over Porter Canal?

It is owned by the City or Municipal Highway Agency.