US Bridges

Stc 3810;GRAVEL RD over I 84;PASADENA Valley Ic

Fair

Elmore County, Idaho · 4.8 E. Glenns Ferry · Structure no. 000000000019860

Built
1975
50 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
284 ft
4 main spans
Daily traffic
260
2023 count
Owner
State
State Highway Agency

About this bridge

Stc 3810;GRAVEL RD over I 84;PASADENA Valley Ic is a concrete continuous box beam or girders - multiple carrying Stc 3810;GRAVEL RD over I 84;PASADENA Valley Ic in Elmore County, Idaho. It was built in 1975, so it is 50 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 5 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 260 vehicles a day, roughly 37% of them trucks, projected to reach 390 by 2042. The structure is 284 ft (86.6 m) long and 34 ft wide.

Location

Open in Google Maps
CarriesStc 3810;GRAVEL RD
CrossesI 84;PASADENA Valley Ic
Location4.8 E. Glenns Ferry
RouteCounty Highway 3810
CountyElmore County
StateIdaho
Coordinates42.9736, -115.21408
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length284 ft (86.6 m)
Longest span116 ft (35.4 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2023)
Projected traffic390 by 2042
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.3 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 3810;GRAVEL RD over I 84;PASADENA Valley Ic built?

It was built in 1975, making it 50 years old in 2025.

What condition is Stc 3810;GRAVEL RD over I 84;PASADENA Valley 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 2024.

How much traffic does Stc 3810;GRAVEL RD over I 84;PASADENA Valley Ic carry?

About 260 vehicles per day (2023 count), of which roughly 37% are trucks.

How long is Stc 3810;GRAVEL RD over I 84;PASADENA Valley Ic?

The structure is 284 ft (86.6 m) long with a longest span of 116 ft (35.4 m) and a deck 34 ft wide.

Who owns Stc 3810;GRAVEL RD over I 84;PASADENA Valley Ic?

It is owned by the State Highway Agency.