US Bridges

Mo 7 N over Big CR Ovrfl 2

Fair

Henry County, Missouri · S 22 T 42 N R 27 W · Structure no. 4237

Built
1997
28 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
173 ft
5 main spans
Daily traffic
7,569
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 7 N over Big CR Ovrfl 2 is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 7 N over Big CR Ovrfl 2 in Henry County, Missouri. It was built in 1997, so it is 28 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,569 vehicles a day, roughly 21% of them trucks, projected to reach 13,246 by 2044. The structure is 173 ft (52.7 m) long and 41 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesMo 7 N
CrossesBig CR Ovrfl 2
LocationS 22 T 42 N R 27 W
RouteState Highway 7
Coordinates38.42769, -93.89105
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating53.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length173 ft (52.7 m)
Longest span37 ft (11.3 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,569 (2024)
Projected traffic13,246 by 2044
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed32.9 mi (53 km)
TollOn a free road
National Highway SystemYes

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 N over Big CR Ovrfl 2 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Mo 7 N over Big CR Ovrfl 2 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Mo 7 N over Big CR Ovrfl 2 carry?

About 7,569 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Mo 7 N over Big CR Ovrfl 2?

The structure is 173 ft (52.7 m) long with a longest span of 37 ft (11.3 m) and a deck 41 ft wide.

Who owns Mo 7 N over Big CR Ovrfl 2?

It is owned by the State Highway Agency.