US Bridges

Mo 84 E over Is 55

Poor

Pemiscot County, Missouri · S 2 T 18 N R 12 E · Structure no. 1213

Built
1969
56 years old, rebuilt 1984
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
252 ft
2 main spans
Daily traffic
9,530
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 84 E over Is 55 is a steel continuous stringer/multi-beam or girder carrying Mo 84 E over Is 55 in Pemiscot County, Missouri. It was built in 1969 and reconstructed in 1984, so it is 56 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 9,530 vehicles a day, roughly 7% of them trucks, projected to reach 16,201 by 2044. The structure is 252 ft (76.8 m) long and 71 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesMo 84 E
CrossesIs 55
LocationS 2 T 18 N R 12 E
RouteState Highway 84
Coordinates36.23126, -89.73124
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length252 ft (76.8 m)
Longest span87 ft (26.5 m)
Deck width71 ft (21.5 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,530 (2024)
Projected traffic16,201 by 2044
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 84 E over Is 55 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1984.

What condition is Mo 84 E over Is 55 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Mo 84 E over Is 55 carry?

About 9,530 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Mo 84 E over Is 55?

The structure is 252 ft (76.8 m) long with a longest span of 87 ft (26.5 m) and a deck 71 ft wide.

Who owns Mo 84 E over Is 55?

It is owned by the State Highway Agency.