US Bridges

Or 55 S over Ramsey CR

Good

Scott County, Missouri · S 8 T 29 N R 14 E · Structure no. 35608

Built
2017
8 years old
Condition
Good
inspected February 2025
Type
Tee Beam
Prestressed Concrete
Length
174 ft
3 main spans
Daily traffic
24
2024 count
Owner
State
State Highway Agency

About this bridge

Or 55 S over Ramsey CR is a prestressed concrete tee beam carrying Or 55 S over Ramsey CR in Scott County, Missouri. It was built in 2017, so it is 8 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24 vehicles a day, roughly 17% of them trucks, projected to reach 35 by 2044. The structure is 174 ft (52.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOr 55 S
CrossesRamsey CR
LocationS 8 T 29 N R 14 E
RouteState Highway 55
Coordinates37.19878, -89.53682
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length174 ft (52.9 m)
Longest span66 ft (20.1 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2024)
Projected traffic35 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 55 S over Ramsey CR built?

It was built in 2017, making it 8 years old in 2025.

What condition is Or 55 S over Ramsey CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does Or 55 S over Ramsey CR carry?

About 24 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Or 55 S over Ramsey CR?

The structure is 174 ft (52.9 m) long with a longest span of 66 ft (20.1 m) and a deck 33 ft wide.

Who owns Or 55 S over Ramsey CR?

It is owned by the State Highway Agency.