US Bridges

Pegram Road over Bear River;w.Border Br.

Fair

Bear Lake County, Idaho · 0.2 S. 0.4 W. Border Wyo. · Structure no. 000000000022235

Built
1978
47 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
128 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Pegram Road over Bear River;w.Border Br. is a prestressed concrete stringer/multi-beam or girder carrying Pegram Road over Bear River;w.Border Br. in Bear Lake County, Idaho. It was built in 1978, so it is 47 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 30 vehicles a day, roughly 50% of them trucks, projected to reach 45 by 2042. The structure is 128 ft (39 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesPegram Road
CrossesBear River;w.Border Br.
Location0.2 S. 0.4 W. Border Wyo.
RouteCounty Highway 0
CountyBear Lake County
StateIdaho
Coordinates42.21108, -111.05319
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length128 ft (39 m)
Longest span122 ft (37.2 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2042
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Pegram Road over Bear River;w.Border Br. built?

It was built in 1978, making it 47 years old in 2025.

What condition is Pegram Road over Bear River;w.Border Br. 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 Pegram Road over Bear River;w.Border Br. carry?

About 30 vehicles per day (2023 count), of which roughly 50% are trucks.

How long is Pegram Road over Bear River;w.Border Br.?

The structure is 128 ft (39 m) long with a longest span of 122 ft (37.2 m) and a deck 27 ft wide.

Who owns Pegram Road over Bear River;w.Border Br.?

It is owned by the County Highway Agency.