US Bridges

Is 55 N over US 62 UP RR

Good

Scott County, Missouri · S 15 T 26 N R 14 E · Structure no. 694

Built
1962
63 years old, rebuilt 2023
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
279 ft
4 main spans
Daily traffic
8,946
2024 count
Owner
State
State Highway Agency

About this bridge

Is 55 N over US 62 UP RR is a steel continuous stringer/multi-beam or girder carrying Is 55 N over US 62 UP RR in Scott County, Missouri. It was built in 1962 and reconstructed in 2023, 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.

It carries about 8,946 vehicles a day, roughly 34% of them trucks, projected to reach 16,997 by 2044. The structure is 279 ft (85 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 55 N
CrossesUS 62 UP RR
LocationS 15 T 26 N R 14 E
RouteInterstate 55
Coordinates36.89269, -89.53322
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length279 ft (85 m)
Longest span82 ft (25 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,946 (2024)
Projected traffic16,997 by 2044
Trucks34%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 55 N over US 62 UP RR built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2023.

What condition is Is 55 N over US 62 UP RR 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 Is 55 N over US 62 UP RR carry?

About 8,946 vehicles per day (2024 count), of which roughly 34% are trucks.

How long is Is 55 N over US 62 UP RR?

The structure is 279 ft (85 m) long with a longest span of 82 ft (25 m) and a deck 44 ft wide.

Who owns Is 55 N over US 62 UP RR?

It is owned by the State Highway Agency.