US Bridges

Crossroads School over Mill Br

Good

Cooper County, Missouri · S 9 T 47 N R 18 W · Structure no. 28522

Built
2000
25 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Crossroads School over Mill Br is a concrete slab carrying Crossroads School over Mill Br in Cooper County, Missouri. It was built in 2000, so it is 25 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 65 by 2044. The structure is 28 ft (8.5 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCrossroads School
CrossesMill Br
LocationS 9 T 47 N R 18 W
RouteCounty Highway 164
Coordinates38.85494, -92.90622
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic65 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Crossroads School over Mill Br built?

It was built in 2000, making it 25 years old in 2025.

What condition is Crossroads School over Mill Br 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 December 2023.

How much traffic does Crossroads School over Mill Br carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Crossroads School over Mill Br?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns Crossroads School over Mill Br?

It is owned by the County Highway Agency.