US Bridges

Is 55 N over Ramsey CR

Fair

Cape Girardeau County, Missouri · S 319 T 30 N R 13 E · Structure no. 318

Built
1961
64 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
151 ft
3 main spans
Daily traffic
13,570
2024 count
Owner
State
State Highway Agency

About this bridge

Is 55 N over Ramsey CR is a steel continuous stringer/multi-beam or girder carrying Is 55 N over Ramsey CR in Cape Girardeau County, Missouri. It was built in 1961, so it is 64 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 13,570 vehicles a day, roughly 22% of them trucks, projected to reach 26,462 by 2044. The structure is 151 ft (46 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 55 N
CrossesRamsey CR
LocationS 319 T 30 N R 13 E
RouteInterstate 55
CountyCape Girardeau County
StateMissouri
Coordinates37.27002, -89.56736
Functional classUrban Principal Arterial - Interstate

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length151 ft (46 m)
Longest span55 ft (16.8 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,570 (2024)
Projected traffic26,462 by 2044
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 55 N over Ramsey CR built?

It was built in 1961, making it 64 years old in 2025.

What condition is Is 55 N 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 November 2023.

How much traffic does Is 55 N over Ramsey CR carry?

About 13,570 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Is 55 N over Ramsey CR?

The structure is 151 ft (46 m) long with a longest span of 55 ft (16.8 m) and a deck 33 ft wide.

Who owns Is 55 N over Ramsey CR?

It is owned by the State Highway Agency.