US Bridges

Rs 446 8th. Ave. over Blaze Fork

GoodPosted for load

McPherson County, Kansas · 12.7N of Inman · Structure no. 000000000590530

Built
1967
58 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Rs 446 8th. Ave. over Blaze Fork is a concrete culvert carrying Rs 446 8th. Ave. over Blaze Fork in McPherson County, Kansas. It was built in 1967, so it is 58 years old, older than the Kansas average of 52.8 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. Its operating status is: posted for load restriction.

It carries about 130 vehicles a day, roughly 12% of them trucks, projected to reach 200 by 2040. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesRs 446 8th. Ave.
CrossesBlaze Fork
Location12.7N of Inman
RouteCounty Highway 446
CountyMcPherson County
StateKansas
Coordinates38.41476, -97.77693
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29 US tons
Inventory rating17.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic130 (2020)
Projected traffic200 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Rs 446 8th. Ave. over Blaze Fork built?

It was built in 1967, making it 58 years old in 2025.

What condition is Rs 446 8th. Ave. over Blaze Fork 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 January 2025.

How much traffic does Rs 446 8th. Ave. over Blaze Fork carry?

About 130 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Rs 446 8th. Ave. over Blaze Fork?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m).

Who owns Rs 446 8th. Ave. over Blaze Fork?

It is owned by the County Highway Agency.