US Bridges

Blue Sky Trail over Hog CR

Good

Adair County, Missouri · S 18 T 62 N R 16 W · Structure no. 31147

Built
2005
20 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Blue Sky Trail over Hog CR is a steel stringer/multi-beam or girder carrying Blue Sky Trail over Hog CR in Adair County, Missouri. It was built in 2005, so it is 20 years old, younger than the Missouri average of 45.1 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 22 by 2044. The structure is 90 ft (27.4 m) long and 16 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesBlue Sky Trail
CrossesHog CR
LocationS 18 T 62 N R 16 W
RouteCounty Highway 195
Coordinates40.17219, -92.74033
Functional classRural Local

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating88.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span49 ft (14.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic22 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Blue Sky Trail over Hog CR built?

It was built in 2005, making it 20 years old in 2025.

What condition is Blue Sky Trail over Hog CR 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 February 2024.

How much traffic does Blue Sky Trail over Hog CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Blue Sky Trail over Hog CR?

The structure is 90 ft (27.4 m) long with a longest span of 49 ft (14.9 m) and a deck 16 ft wide.

Who owns Blue Sky Trail over Hog CR?

It is owned by the County Highway Agency.