US Bridges

Or 55 S over Ramsey CR

GoodPosted for load

Scott County, Missouri · S 17 T 29 N R 14 E · Structure no. 8129

Built
1962
63 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
153 ft
3 main spans
Daily traffic
2
2024 count
Owner
State
State Highway Agency

About this bridge

Or 55 S over Ramsey CR is a steel continuous stringer/multi-beam or girder carrying Or 55 S over Ramsey CR in Scott County, Missouri. It was built in 1962, so it is 63 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 2 vehicles a day, roughly 10% of them trucks, projected to reach 3 by 2044. The structure is 153 ft (46.6 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOr 55 S
CrossesRamsey CR
LocationS 17 T 29 N R 14 E
RouteState Highway 55
Coordinates37.17869, -89.53798
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.8 US tons
Inventory rating16.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length153 ft (46.6 m)
Longest span48 ft (14.6 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (2024)
Projected traffic3 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Or 55 S over Ramsey CR built?

It was built in 1962, making it 63 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 2 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Or 55 S over Ramsey CR?

The structure is 153 ft (46.6 m) long with a longest span of 48 ft (14.6 m) and a deck 22 ft wide.

Who owns Or 55 S over Ramsey CR?

It is owned by the State Highway Agency.