US Bridges

Mo 66 E over Grove CR

Poor

Jasper County, Missouri · S 1 T 27 N R 32 W · Structure no. 5050

Built
1926
99 years old, rebuilt 1950
Condition
Poor
inspected August 2023
Type
Slab
Concrete
Length
80 ft
3 main spans
Daily traffic
5,284
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 66 E over Grove CR is a concrete slab carrying Mo 66 E over Grove CR in Jasper County, Missouri. It was built in 1926 and reconstructed in 1950, so it is 99 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 5,284 vehicles a day, roughly 14% of them trucks, projected to reach 7,926 by 2044. The structure is 80 ft (24.4 m) long and 33 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesMo 66 E
CrossesGrove CR
LocationS 1 T 27 N R 32 W
RouteState Highway 66
Coordinates37.08276, -94.38037
Functional classRural Major Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length80 ft (24.4 m)
Longest span27 ft (8.2 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,284 (2024)
Projected traffic7,926 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 66 E over Grove CR built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1950.

What condition is Mo 66 E over Grove 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 August 2023.

How much traffic does Mo 66 E over Grove CR carry?

About 5,284 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Mo 66 E over Grove CR?

The structure is 80 ft (24.4 m) long with a longest span of 27 ft (8.2 m) and a deck 33 ft wide.

Who owns Mo 66 E over Grove CR?

It is owned by the State Highway Agency.