US Bridges

Mo 7 S over Halwell CR

Fair

Henry County, Missouri · S 35 T 43 N R 28 W · Structure no. 4234

Built
1997
28 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
15,669
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 7 S over Halwell CR is a concrete continuous culvert carrying Mo 7 S over Halwell CR 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 15,669 vehicles a day, roughly 21% of them trucks, projected to reach 27,421 by 2044. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 32.9 mi (53 km).

Location

Open in Google Maps
CarriesMo 7 S
CrossesHalwell CR
LocationS 35 T 43 N R 28 W
RouteState Highway 7
CountyHenry County
StateMissouri
Coordinates38.46383, -93.9857
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,669 (2024)
Projected traffic27,421 by 2044
Trucks21%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 S over Halwell CR built?

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

What condition is Mo 7 S over Halwell CR 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 March 2023.

How much traffic does Mo 7 S over Halwell CR carry?

About 15,669 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Mo 7 S over Halwell CR?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m).

Who owns Mo 7 S over Halwell CR?

It is owned by the State Highway Agency.