US Bridges

Stc 6785;E 16th N over S.Fk.Teton R;ne Rexburg

Fair

Madison County, Idaho · 1.3 N. 2.6 E. Rexburg · Structure no. 000000000032890

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
96 ft
2 main spans
Daily traffic
710
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 6785;E 16th N over S.Fk.Teton R;ne Rexburg is a prestressed concrete stringer/multi-beam or girder carrying Stc 6785;E 16th N over S.Fk.Teton R;ne Rexburg in Madison County, Idaho. It was built in 1980, so it is 45 years old, younger 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 710 vehicles a day, projected to reach 1,065 by 2042. The structure is 96 ft (29.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesStc 6785;E 16th N
CrossesS.Fk.Teton R;ne Rexburg
Location1.3 N. 2.6 E. Rexburg
RouteCounty Highway 6785
CountyMadison County
StateIdaho
Coordinates43.84403, -111.73797
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span46 ft (14 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2023)
Projected traffic1,065 by 2042
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 6785;E 16th N over S.Fk.Teton R;ne Rexburg built?

It was built in 1980, making it 45 years old in 2025.

What condition is Stc 6785;E 16th N over S.Fk.Teton R;ne Rexburg 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 October 2024.

How much traffic does Stc 6785;E 16th N over S.Fk.Teton R;ne Rexburg carry?

About 710 vehicles per day (2023 count).

How long is Stc 6785;E 16th N over S.Fk.Teton R;ne Rexburg?

The structure is 96 ft (29.3 m) long with a longest span of 46 ft (14 m) and a deck 32 ft wide.

Who owns Stc 6785;E 16th N over S.Fk.Teton R;ne Rexburg?

It is owned by the County Highway Agency.