US Bridges

Mo 7 S over Mill Creek

Good

Camden County, Missouri · S 25 T 37 N R 15 W · Structure no. 3548

Built
1990
35 years old
Condition
Good
inspected February 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
149 ft
4 main spans
Daily traffic
1,493
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 7 S over Mill Creek is a prestressed concrete continuous tee beam carrying Mo 7 S over Mill Creek in Camden County, Missouri. It was built in 1990, so it is 35 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 1,493 vehicles a day, roughly 15% of them trucks, projected to reach 3,434 by 2044. The structure is 149 ft (45.4 m) long and 37 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesMo 7 S
CrossesMill Creek
LocationS 25 T 37 N R 15 W
RouteState Highway 7
Coordinates37.90744, -92.5325
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span37 ft (11.4 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,493 (2024)
Projected traffic3,434 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 Mill Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Mo 7 S over Mill Creek 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 February 2024.

How much traffic does Mo 7 S over Mill Creek carry?

About 1,493 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Mo 7 S over Mill Creek?

The structure is 149 ft (45.4 m) long with a longest span of 37 ft (11.4 m) and a deck 37 ft wide.

Who owns Mo 7 S over Mill Creek?

It is owned by the State Highway Agency.