US Bridges

Stc 5736;HAYDEN Lk over Hayden Creek

Fair

Kootenai County, Idaho · 3.5 N. 2.9 E. Hayden Lake · Structure no. 000000000030580

Built
1987
38 years old
Condition
Fair
inspected June 2023
Type
Culvert
Steel
Length
35 ft
1 main span
Daily traffic
2,500
2023 count
Owner
Local
Other Local Agency

About this bridge

Stc 5736;HAYDEN Lk over Hayden Creek is a steel culvert carrying Stc 5736;HAYDEN Lk over Hayden Creek in Kootenai County, Idaho. It was built in 1987, so it is 38 years old, younger 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 2,500 vehicles a day, roughly 8% of them trucks, projected to reach 3,750 by 2042. The structure is 35 ft (10.7 m) long and 81 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesStc 5736;HAYDEN Lk
CrossesHayden Creek
Location3.5 N. 2.9 E. Hayden Lake
RouteCounty Highway 5736
StateIdaho
Coordinates47.81611, -116.69447
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width81 ft (24.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic3,750 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$632,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 5736;HAYDEN Lk over Hayden Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Stc 5736;HAYDEN Lk over Hayden Creek 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 Stc 5736;HAYDEN Lk over Hayden Creek carry?

About 2,500 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Stc 5736;HAYDEN Lk over Hayden Creek?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 81 ft wide.

Who owns Stc 5736;HAYDEN Lk over Hayden Creek?

It is owned by the Other Local Agency.