US Bridges

Mo 28 E over Soap CR

Fair

Gasconade County, Missouri · S 13 T 42 N R 5 W · Structure no. 3846

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
5,891
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 28 E over Soap CR is a concrete continuous culvert carrying Mo 28 E over Soap CR in Gasconade County, Missouri. It was built in 1989, so it is 36 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 5,891 vehicles a day, roughly 9% of them trucks, projected to reach 8,837 by 2044. The structure is 40 ft (12.1 m) long. If it were closed, the detour would be 19.3 mi (31 km).

CarriesMo 28 E
CrossesSoap CR
LocationS 13 T 42 N R 5 W
RouteState Highway 28
Coordinates38.38283, -91.43336
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating89.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,891 (2024)
Projected traffic8,837 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 28 E over Soap CR built?

It was built in 1989, making it 36 years old in 2025.

What condition is Mo 28 E over Soap 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 September 2024.

How much traffic does Mo 28 E over Soap CR carry?

About 5,891 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Mo 28 E over Soap CR?

The structure is 40 ft (12.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Mo 28 E over Soap CR?

It is owned by the State Highway Agency.