US Bridges

Pure Air Trail over Hog CR

Good

Adair County, Missouri · S 13 T 62 N R 17 W · Structure no. 18655

Built
1985
40 years old
Condition
Good
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
107 ft
3 main spans
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

Pure Air Trail over Hog CR is a prestressed concrete tee beam carrying Pure Air Trail over Hog CR in Adair County, Missouri. It was built in 1985, so it is 40 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2044. The structure is 107 ft (32.6 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesPure Air Trail
CrossesHog CR
LocationS 13 T 62 N R 17 W
RouteCounty Highway 194
Coordinates40.18037, -92.75116
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length107 ft (32.6 m)
Longest span35 ft (10.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic28 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-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 Pure Air Trail over Hog CR built?

It was built in 1985, making it 40 years old in 2025.

What condition is Pure Air 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 Pure Air Trail over Hog CR carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Pure Air Trail over Hog CR?

The structure is 107 ft (32.6 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns Pure Air Trail over Hog CR?

It is owned by the County Highway Agency.