US Bridges

60th ST over Mill CR

Good

Jackson County, Missouri · S 4 T 48 N R 33 W · Structure no. 25470

Built
1930
95 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
443
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

60th ST over Mill CR is a concrete continuous culvert carrying 60th ST over Mill CR in Jackson County, Missouri. It was built in 1930, so it is 95 years old, older 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 443 vehicles a day, roughly 1% of them trucks, projected to reach 576 by 2044. The structure is 21 ft (6.4 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries60th ST
CrossesMill CR
LocationS 4 T 48 N R 33 W
RouteCity Street 0
Coordinates39.01764, -94.55663
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic443 (2024)
Projected traffic576 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 60th ST over Mill CR built?

It was built in 1930, making it 95 years old in 2025.

What condition is 60th ST over Mill 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 April 2024.

How much traffic does 60th ST over Mill CR carry?

About 443 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is 60th ST over Mill CR?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns 60th ST over Mill CR?

It is owned by the City or Municipal Highway Agency.