US Bridges

Mo 47 S over Mineral Fk CR

Fair

Washington County, Missouri · S 2066 T 39 N R 3 E · Structure no. 3139

Built
1981
44 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
422 ft
7 main spans
Daily traffic
1,906
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 47 S over Mineral Fk CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 47 S over Mineral Fk CR in Washington County, Missouri. It was built in 1981, so it is 44 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 1,906 vehicles a day, roughly 14% of them trucks, projected to reach 2,859 by 2044. The structure is 422 ft (128.6 m) long and 43 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesMo 47 S
CrossesMineral Fk CR
LocationS 2066 T 39 N R 3 E
RouteState Highway 47
CountyWashington County
StateMissouri
Coordinates38.0958, -90.74739
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating24.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadH 20
Structure length422 ft (128.6 m)
Longest span61 ft (18.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,906 (2024)
Projected traffic2,859 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 47 S over Mineral Fk CR built?

It was built in 1981, making it 44 years old in 2025.

What condition is Mo 47 S over Mineral Fk 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 June 2024.

How much traffic does Mo 47 S over Mineral Fk CR carry?

About 1,906 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Mo 47 S over Mineral Fk CR?

The structure is 422 ft (128.6 m) long with a longest span of 61 ft (18.5 m) and a deck 43 ft wide.

Who owns Mo 47 S over Mineral Fk CR?

It is owned by the State Highway Agency.