US Bridges

150 ST over High CR

Good

Atchison County, Missouri · S 21 T 66 N R 41 W · Structure no. 31543

Built
2005
20 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
106 ft
3 main spans
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

150 ST over High CR is a steel continuous stringer/multi-beam or girder carrying 150 ST over High CR in Atchison 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 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2044. The structure is 106 ft (32.3 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries150 ST
CrossesHigh CR
LocationS 21 T 66 N R 41 W
RouteCounty Highway 65
Coordinates40.51153, -95.55774
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating53.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length106 ft (32.3 m)
Longest span54 ft (16.5 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic12 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 150 ST over High CR built?

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

What condition is 150 ST over High 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 150 ST over High CR carry?

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

How long is 150 ST over High CR?

The structure is 106 ft (32.3 m) long with a longest span of 54 ft (16.5 m) and a deck 25 ft wide.

Who owns 150 ST over High CR?

It is owned by the County Highway Agency.