US Bridges

Stc 3894;HORNET CR over North Hornet Creek

Good

Adams County, Idaho · 5.5 N. 5.6 W. Council · Structure no. 000000000020055

Built
1962
63 years old
Condition
Good
inspected August 2024
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
190
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 3894;HORNET CR over North Hornet Creek is a concrete frame carrying Stc 3894;HORNET CR over North Hornet Creek in Adams County, Idaho. It was built in 1962, so it is 63 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 190 vehicles a day, roughly 27% of them trucks, projected to reach 285 by 2042. The structure is 28 ft (8.5 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesStc 3894;HORNET CR
CrossesNorth Hornet Creek
Location5.5 N. 5.6 W. Council
RouteCounty Highway 3894
StateIdaho
Coordinates44.80722, -116.55128
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2023)
Projected traffic285 by 2042
Trucks27%
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 Stc 3894;HORNET CR over North Hornet Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Stc 3894;HORNET CR over North Hornet Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Stc 3894;HORNET CR over North Hornet Creek carry?

About 190 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is Stc 3894;HORNET CR over North Hornet Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 35 ft wide.

Who owns Stc 3894;HORNET CR over North Hornet Creek?

It is owned by the County Highway Agency.