US Bridges

Stc 1809;DINGLE RD over Bear River;n.Dingle Br.

Fair

Bear Lake County, Idaho · 2.3 N. Dingle · Structure no. 000000000019190

Built
1966
59 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
121 ft
3 main spans
Daily traffic
560
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 1809;DINGLE RD over Bear River;n.Dingle Br. is a concrete stringer/multi-beam or girder carrying Stc 1809;DINGLE RD over Bear River;n.Dingle Br. in Bear Lake County, Idaho. It was built in 1966, so it is 59 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 560 vehicles a day, roughly 14% of them trucks, projected to reach 840 by 2042. The structure is 121 ft (36.9 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesStc 1809;DINGLE RD
CrossesBear River;n.Dingle Br.
Location2.3 N. Dingle
RouteCounty Highway 1809
CountyBear Lake County
StateIdaho
Coordinates42.24839, -111.27133
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length121 ft (36.9 m)
Longest span39 ft (11.9 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2023)
Projected traffic840 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Stc 1809;DINGLE RD over Bear River;n.Dingle Br. built?

It was built in 1966, making it 59 years old in 2025.

What condition is Stc 1809;DINGLE RD over Bear River;n.Dingle 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 October 2024.

How much traffic does Stc 1809;DINGLE RD over Bear River;n.Dingle Br. carry?

About 560 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Stc 1809;DINGLE RD over Bear River;n.Dingle Br.?

The structure is 121 ft (36.9 m) long with a longest span of 39 ft (11.9 m) and a deck 29 ft wide.

Who owns Stc 1809;DINGLE RD over Bear River;n.Dingle Br.?

It is owned by the County Highway Agency.