US Bridges

E 100 S over G Canal

Fair

Cassia County, Idaho · 1.4 S 2.3 E Burley · Structure no. 000000000024038

Built
1975
50 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,400
2023 count
Owner
Local
Other Local Agency

About this bridge

E 100 S over G Canal is a concrete slab carrying E 100 S over G Canal in Cassia 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 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 1,400 vehicles a day, roughly 4% of them trucks, projected to reach 2,100 by 2042. The structure is 23 ft (7 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE 100 S
CrossesG Canal
Location1.4 S 2.3 E Burley
RouteCounty Highway 0
StateIdaho
Coordinates42.51817, -113.74803
Functional classRural 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic2,100 by 2042
Trucks4%
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

OwnerOther Local Agency
Maintained byOther Local 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 E 100 S over G Canal built?

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

What condition is E 100 S over G 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 E 100 S over G Canal carry?

About 1,400 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is E 100 S over G Canal?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 40 ft wide.

Who owns E 100 S over G Canal?

It is owned by the Other Local Agency.