US Bridges

Mo 47 S over Spring Rvr

Fair

Washington County, Missouri · S 1 T 37 N R 3 E · Structure no. 9000

Built
1933
92 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
25 ft
3 main spans
Daily traffic
3,312
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 47 S over Spring Rvr is a concrete continuous culvert carrying Mo 47 S over Spring Rvr in Washington County, Missouri. It was built in 1933, so it is 92 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 5 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 3,312 vehicles a day, roughly 6% of them trucks, projected to reach 4,637 by 2044. The structure is 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesMo 47 S
CrossesSpring Rvr
LocationS 1 T 37 N R 3 E
RouteState Highway 47
Coordinates37.95205, -90.64401
Functional classRural Major Collector

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length25 ft (7.6 m)
Longest span6 ft (1.8 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,312 (2024)
Projected traffic4,637 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 47 S over Spring Rvr built?

It was built in 1933, making it 92 years old in 2025.

What condition is Mo 47 S over Spring Rvr 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 Spring Rvr carry?

About 3,312 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Mo 47 S over Spring Rvr?

The structure is 25 ft (7.6 m) long with a longest span of 6 ft (1.8 m) and a deck 29 ft wide.

Who owns Mo 47 S over Spring Rvr?

It is owned by the State Highway Agency.