US Bridges

Is 55 N over US 61

Good

Cape Girardeau County, Missouri · S 22 T 31 N R 13 E · Structure no. 36250

Built
2019
6 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
289 ft
4 main spans
Daily traffic
14,644
2024 count
Owner
State
State Highway Agency

About this bridge

Is 55 N over US 61 is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 55 N over US 61 in Cape Girardeau County, Missouri. It was built in 2019, so it is 6 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,644 vehicles a day, roughly 24% of them trucks, projected to reach 28,556 by 2044. The structure is 289 ft (88.2 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 55 N
CrossesUS 61
LocationS 22 T 31 N R 13 E
RouteInterstate 55
Coordinates37.34891, -89.60152
Functional classUrban Principal Arterial - Interstate

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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating38.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length289 ft (88.2 m)
Longest span93 ft (28.4 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,644 (2024)
Projected traffic28,556 by 2044
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 55 N over US 61 built?

It was built in 2019, making it 6 years old in 2025.

What condition is Is 55 N over US 61 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 November 2023.

How much traffic does Is 55 N over US 61 carry?

About 14,644 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Is 55 N over US 61?

The structure is 289 ft (88.2 m) long with a longest span of 93 ft (28.4 m) and a deck 41 ft wide.

Who owns Is 55 N over US 61?

It is owned by the State Highway Agency.