US Bridges

Stp 7786;SALEM RD over US 20;SALEM RD Ic

Fair

Madison County, Idaho · 2.0 N. Rexburg · Structure no. 000000000020980

Built
1982
43 years old
Condition
Fair
inspected April 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
268 ft
2 main spans
Daily traffic
10,500
2023 count
Owner
State
State Highway Agency

About this bridge

Stp 7786;SALEM RD over US 20;SALEM RD Ic is a steel continuous stringer/multi-beam or girder carrying Stp 7786;SALEM RD over US 20;SALEM RD Ic in Madison County, Idaho. It was built in 1982, so it is 43 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 10,500 vehicles a day, roughly 3% of them trucks, projected to reach 15,750 by 2042. The structure is 268 ft (81.7 m) long and 54 ft wide.

Location

Open in Google Maps
CarriesStp 7786;SALEM RD
CrossesUS 20;SALEM RD Ic
Location2.0 N. Rexburg
RouteCounty Highway 7786
CountyMadison County
StateIdaho
Coordinates43.86342, -111.77781
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length268 ft (81.7 m)
Longest span132 ft (40.2 m)
Deck width54 ft (16.6 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2023)
Projected traffic15,750 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Stp 7786;SALEM RD over US 20;SALEM RD Ic built?

It was built in 1982, making it 43 years old in 2025.

What condition is Stp 7786;SALEM RD over US 20;SALEM RD Ic 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 April 2022.

How much traffic does Stp 7786;SALEM RD over US 20;SALEM RD Ic carry?

About 10,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Stp 7786;SALEM RD over US 20;SALEM RD Ic?

The structure is 268 ft (81.7 m) long with a longest span of 132 ft (40.2 m) and a deck 54 ft wide.

Who owns Stp 7786;SALEM RD over US 20;SALEM RD Ic?

It is owned by the State Highway Agency.