US Bridges

SH 33 over S.Fk.Teton River

Fair

Madison County, Idaho · In Rexburg · Structure no. 000000000013895

Built
1971
54 years old, rebuilt 1993
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
144 ft
3 main spans
Daily traffic
17,000
2023 count
Owner
State
State Highway Agency

About this bridge

SH 33 over S.Fk.Teton River is a prestressed concrete stringer/multi-beam or girder carrying SH 33 over S.Fk.Teton River in Madison County, Idaho. It was built in 1971 and reconstructed in 1993, so it is 54 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 17,000 vehicles a day, roughly 2% of them trucks, projected to reach 25,500 by 2042. The structure is 144 ft (43.9 m) long and 92 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSH 33
CrossesS.Fk.Teton River
LocationIn Rexburg
RouteState Highway 33
CountyMadison County
StateIdaho
Coordinates43.83514, -111.77808
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span46 ft (14 m)
Deck width92 ft (28 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2023)
Projected traffic25,500 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 33 over S.Fk.Teton River built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1993.

What condition is SH 33 over S.Fk.Teton River 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 September 2024.

How much traffic does SH 33 over S.Fk.Teton River carry?

About 17,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is SH 33 over S.Fk.Teton River?

The structure is 144 ft (43.9 m) long with a longest span of 46 ft (14 m) and a deck 92 ft wide.

Who owns SH 33 over S.Fk.Teton River?

It is owned by the State Highway Agency.