US Bridges

SH 36 over Mink Creek

Good

Franklin County, Idaho · 8.6 E. SH 34/SH 36 JCT · Structure no. 000000000014086

Built
2015
10 years old
Condition
Good
inspected November 2021
Type
Slab
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
440
2023 count
Owner
State
State Highway Agency

About this bridge

SH 36 over Mink Creek is a prestressed concrete slab carrying SH 36 over Mink Creek in Franklin County, Idaho. It was built in 2015, so it is 10 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 440 vehicles a day, roughly 22% of them trucks, projected to reach 660 by 2042. The structure is 52 ft (15.8 m) long and 36 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesSH 36
CrossesMink Creek
Location8.6 E. SH 34/SH 36 JCT
RouteState Highway 36
StateIdaho
Coordinates42.24189, -111.71003
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length52 ft (15.8 m)
Longest span52 ft (15.8 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2023)
Projected traffic660 by 2042
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 36 over Mink Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is SH 36 over Mink 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 November 2021.

How much traffic does SH 36 over Mink Creek carry?

About 440 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is SH 36 over Mink Creek?

The structure is 52 ft (15.8 m) long with a longest span of 52 ft (15.8 m) and a deck 36 ft wide.

Who owns SH 36 over Mink Creek?

It is owned by the State Highway Agency.