US Bridges

Mo 28 E over Br of Soap CR

Fair

Gasconade County, Missouri · S 13 T 42 N R 5 W · Structure no. 8513

Built
1930
95 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
5,891
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 28 E over Br of Soap CR is a concrete culvert carrying Mo 28 E over Br of Soap CR in Gasconade County, Missouri. It was built in 1930, so it is 95 years old, older 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 21 ft (6.4 m) long and 24 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesMo 28 E
CrossesBr of Soap CR
LocationS 13 T 42 N R 5 W
RouteState Highway 28
CountyGasconade County
StateMissouri
Coordinates38.38403, -91.4283
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 10
Structure length21 ft (6.4 m)
Longest span12 ft (3.7 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 28 E over Br of Soap CR built?

It was built in 1930, making it 95 years old in 2025.

What condition is Mo 28 E over Br of 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 Br of Soap CR carry?

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

How long is Mo 28 E over Br of Soap CR?

The structure is 21 ft (6.4 m) long with a longest span of 12 ft (3.7 m) and a deck 24 ft wide.

Who owns Mo 28 E over Br of Soap CR?

It is owned by the State Highway Agency.