US Bridges

Mo 19 S over Mill CR

Good

Montgomery County, Missouri · S 28 T 47 N R 5 W · Structure no. 4127

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
3,372
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 19 S over Mill CR is a prestressed concrete stringer/multi-beam or girder carrying Mo 19 S over Mill CR in Montgomery County, Missouri. It was built in 1993, so it is 32 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 3,372 vehicles a day, roughly 11% of them trucks, projected to reach 5,227 by 2044. The structure is 142 ft (43.3 m) long and 41 ft wide. If it were closed, the detour would be 46 mi (74 km).

CarriesMo 19 S
CrossesMill CR
LocationS 28 T 47 N R 5 W
RouteState Highway 19
Coordinates38.81021, -91.47774
Functional classRural Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.4 US tons
Inventory rating46.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length142 ft (43.3 m)
Longest span48 ft (14.5 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,372 (2024)
Projected traffic5,227 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mo 19 S over Mill CR built?

It was built in 1993, making it 32 years old in 2025.

What condition is Mo 19 S 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 September 2024.

How much traffic does Mo 19 S over Mill CR carry?

About 3,372 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 19 S over Mill CR?

The structure is 142 ft (43.3 m) long with a longest span of 48 ft (14.5 m) and a deck 41 ft wide.

Who owns Mo 19 S over Mill CR?

It is owned by the State Highway Agency.