US Bridges

E 200 N over I 15 Nb-Sb;e 200 N Gs

Fair

Jefferson County, Idaho · 4.6 S. Roberts · Structure no. 000000000032615

Built
1968
57 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
258 ft
5 main spans
Daily traffic
810
2023 count
Owner
State
State Highway Agency

About this bridge

E 200 N over I 15 Nb-Sb;e 200 N Gs is a prestressed concrete stringer/multi-beam or girder carrying E 200 N over I 15 Nb-Sb;e 200 N Gs in Jefferson County, Idaho. It was built in 1968, so it is 57 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 810 vehicles a day, roughly 3% of them trucks, projected to reach 1,215 by 2042. The structure is 258 ft (78.6 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesE 200 N
CrossesI 15 Nb-Sb;e 200 N Gs
Location4.6 S. Roberts
RouteCounty Highway 0
CountyJefferson County
StateIdaho
Coordinates43.65514, -112.10322
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length258 ft (78.6 m)
Longest span57 ft (17.4 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2023)
Projected traffic1,215 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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 E 200 N over I 15 Nb-Sb;e 200 N Gs built?

It was built in 1968, making it 57 years old in 2025.

What condition is E 200 N over I 15 Nb-Sb;e 200 N Gs 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 2023.

How much traffic does E 200 N over I 15 Nb-Sb;e 200 N Gs carry?

About 810 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is E 200 N over I 15 Nb-Sb;e 200 N Gs?

The structure is 258 ft (78.6 m) long with a longest span of 57 ft (17.4 m) and a deck 29 ft wide.

Who owns E 200 N over I 15 Nb-Sb;e 200 N Gs?

It is owned by the State Highway Agency.