US Bridges

Bu 61 S over Ramsey CR

Fair

Scott County, Missouri · S 2191 T 29 N R 14 E · Structure no. 5341

Built
1930
95 years old, rebuilt 1985
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete
Length
170 ft
4 main spans
Daily traffic
4,514
2024 count
Owner
State
State Highway Agency

About this bridge

Bu 61 S over Ramsey CR is a concrete tee beam carrying Bu 61 S over Ramsey CR in Scott County, Missouri. It was built in 1930 and reconstructed in 1985, 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 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 4,514 vehicles a day, roughly 8% of them trucks, projected to reach 6,545 by 2044. The structure is 170 ft (51.8 m) long and 23 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesBu 61 S
CrossesRamsey CR
LocationS 2191 T 29 N R 14 E
RouteState Highway 61
CountyScott County
StateMissouri
Coordinates37.20929, -89.54656
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating47.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length170 ft (51.8 m)
Longest span43 ft (13 m)
Deck width23 ft (7 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,514 (2024)
Projected traffic6,545 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bu 61 S over Ramsey CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1985.

What condition is Bu 61 S over Ramsey 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 February 2025.

How much traffic does Bu 61 S over Ramsey CR carry?

About 4,514 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Bu 61 S over Ramsey CR?

The structure is 170 ft (51.8 m) long with a longest span of 43 ft (13 m) and a deck 23 ft wide.

Who owns Bu 61 S over Ramsey CR?

It is owned by the State Highway Agency.