US Bridges

N. 3300 East Rd. over Perrine Coulee

Fair

Twin Falls County, Idaho · 3.5 S. 3.3 E. Twin Falls · Structure no. 000000000025337

Built
1979
46 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
770
2023 count
Owner
Local
Other Local Agency

About this bridge

N. 3300 East Rd. over Perrine Coulee is a prestressed concrete tee beam carrying N. 3300 East Rd. over Perrine Coulee in Twin Falls County, Idaho. It was built in 1979, so it is 46 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 770 vehicles a day, roughly 4% of them trucks, projected to reach 1,155 by 2042. The structure is 24 ft (7.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN. 3300 East Rd.
CrossesPerrine Coulee
Location3.5 S. 3.3 E. Twin Falls
RouteCounty Highway 0
CountyTwin Falls County
StateIdaho
Coordinates42.50119, -114.40167
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic770 (2023)
Projected traffic1,155 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 N. 3300 East Rd. over Perrine Coulee built?

It was built in 1979, making it 46 years old in 2025.

What condition is N. 3300 East Rd. over Perrine Coulee 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 February 2023.

How much traffic does N. 3300 East Rd. over Perrine Coulee carry?

About 770 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is N. 3300 East Rd. over Perrine Coulee?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 27 ft wide.

Who owns N. 3300 East Rd. over Perrine Coulee?

It is owned by the Other Local Agency.