US Bridges

Stc 6712;S 25th E over Taylor Canal

Fair

Bonneville County, Idaho · 4.48 S. Ammon · Structure no. 000000000020808

Built
1949
76 years old
Condition
Fair
inspected November 2024
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
1,700
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 6712;S 25th E over Taylor Canal is a concrete frame carrying Stc 6712;S 25th E over Taylor Canal in Bonneville County, Idaho. It was built in 1949, so it is 76 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 1,700 vehicles a day, roughly 2% of them trucks, projected to reach 2,550 by 2042. The structure is 23 ft (7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesStc 6712;S 25th E
CrossesTaylor Canal
Location4.48 S. Ammon
RouteCounty Highway 6712
CountyBonneville County
StateIdaho
Coordinates43.41411, -111.984
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic2,550 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$458,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 6712;S 25th E over Taylor Canal built?

It was built in 1949, making it 76 years old in 2025.

What condition is Stc 6712;S 25th E over Taylor 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 November 2024.

How much traffic does Stc 6712;S 25th E over Taylor Canal carry?

About 1,700 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Stc 6712;S 25th E over Taylor Canal?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 28 ft wide.

Who owns Stc 6712;S 25th E over Taylor Canal?

It is owned by the County Highway Agency.