US Bridges

Mo 7 S over Big CR Ovrfl

Good

Cass County, Missouri · S 29 T 46 N R 30 W · Structure no. 11951

Built
1999
26 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
313 ft
5 main spans
Daily traffic
6,285
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 7 S over Big CR Ovrfl is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 7 S over Big CR Ovrfl in Cass County, Missouri. It was built in 1999, so it is 26 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 6,285 vehicles a day, roughly 10% of them trucks, projected to reach 11,627 by 2044. The structure is 313 ft (95.4 m) long and 42 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesMo 7 S
CrossesBig CR Ovrfl
LocationS 29 T 46 N R 30 W
RouteState Highway 7
Coordinates38.77446, -94.2685
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 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 rating82.3 US tons
Inventory rating45.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length313 ft (95.4 m)
Longest span63 ft (19.1 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,285 (2024)
Projected traffic11,627 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed18 mi (29 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 7 S over Big CR Ovrfl built?

It was built in 1999, making it 26 years old in 2025.

What condition is Mo 7 S over Big CR Ovrfl 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 November 2023.

How much traffic does Mo 7 S over Big CR Ovrfl carry?

About 6,285 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 7 S over Big CR Ovrfl?

The structure is 313 ft (95.4 m) long with a longest span of 63 ft (19.1 m) and a deck 42 ft wide.

Who owns Mo 7 S over Big CR Ovrfl?

It is owned by the State Highway Agency.