US Bridges

Farm to Market RD over Hog Creek

Fair

Washington County, Idaho · 4.0 S. 9.1 E. Midvale · Structure no. 000000000020015

Built
1966
59 years old
Condition
Fair
inspected June 2023
Type
Frame
Concrete
Length
21 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Farm to Market RD over Hog Creek is a concrete frame carrying Farm to Market RD over Hog Creek in Washington 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 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 50 vehicles a day, roughly 25% of them trucks, projected to reach 75 by 2042. The structure is 21 ft (6.4 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesFarm to Market RD
CrossesHog Creek
Location4.0 S. 9.1 E. Midvale
RouteCounty Highway 0
CountyWashington County
StateIdaho
Coordinates44.41184, -116.5515
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 inspectionJune 2023
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Farm to Market RD over Hog Creek built?

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

What condition is Farm to Market RD over Hog 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 Farm to Market RD over Hog Creek carry?

About 50 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is Farm to Market RD over Hog Creek?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 28 ft wide.

Who owns Farm to Market RD over Hog Creek?

It is owned by the County Highway Agency.