US Bridges

Bird Refuge Road over I 15;BIRD Refuge Road Gs

Fair

Jefferson County, Idaho · 2.8 N. Hamer · Structure no. 000000000032640

Built
1963
62 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
212 ft
3 main spans
Daily traffic
1,100
2023 count
Owner
State
State Highway Agency

About this bridge

Bird Refuge Road over I 15;BIRD Refuge Road Gs is a prestressed concrete stringer/multi-beam or girder carrying Bird Refuge Road over I 15;BIRD Refuge Road Gs in Jefferson County, Idaho. It was built in 1963, so it is 62 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 1,100 vehicles a day, roughly 6% of them trucks, projected to reach 1,650 by 2042. The structure is 212 ft (64.6 m) long and 29 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesBird Refuge Road
CrossesI 15;BIRD Refuge Road Gs
Location2.8 N. Hamer
RouteCounty Highway 0
CountyJefferson County
StateIdaho
Coordinates43.96531, -112.22594
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span49 ft (14.9 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2023)
Projected traffic1,650 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 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 Bird Refuge Road over I 15;BIRD Refuge Road Gs built?

It was built in 1963, making it 62 years old in 2025.

What condition is Bird Refuge Road over I 15;BIRD Refuge Road 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 June 2023.

How much traffic does Bird Refuge Road over I 15;BIRD Refuge Road Gs carry?

About 1,100 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Bird Refuge Road over I 15;BIRD Refuge Road Gs?

The structure is 212 ft (64.6 m) long with a longest span of 49 ft (14.9 m) and a deck 29 ft wide.

Who owns Bird Refuge Road over I 15;BIRD Refuge Road Gs?

It is owned by the State Highway Agency.