US Bridges

Mo 142 E over Harris CR

PoorPosted for load

Ripley County, Missouri · S 34 T 23 N R 3 E · Structure no. 8855

Built
1933
92 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
3 main spans
Daily traffic
1,033
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 142 E over Harris CR is a steel stringer/multi-beam or girder carrying Mo 142 E over Harris CR in Ripley County, Missouri. It was built in 1933, so it is 92 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. Its operating status is: posted for load restriction.

It carries about 1,033 vehicles a day, roughly 12% of them trucks, projected to reach 1,550 by 2044. The structure is 90 ft (27.4 m) long and 21 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesMo 142 E
CrossesHarris CR
LocationS 34 T 23 N R 3 E
RouteState Highway 142
Coordinates36.59526, -90.72646
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.8 US tons
Inventory rating11.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length90 ft (27.4 m)
Longest span45 ft (13.8 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,033 (2024)
Projected traffic1,550 by 2044
Trucks12%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 142 E over Harris CR built?

It was built in 1933, making it 92 years old in 2025.

What condition is Mo 142 E over Harris CR 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 January 2025.

How much traffic does Mo 142 E over Harris CR carry?

About 1,033 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Mo 142 E over Harris CR?

The structure is 90 ft (27.4 m) long with a longest span of 45 ft (13.8 m) and a deck 21 ft wide.

Who owns Mo 142 E over Harris CR?

It is owned by the State Highway Agency.