US Bridges

Mo 87 S over Is 70

Good

Cooper County, Missouri · S 8 T 48 N R 16 W · Structure no. 35834

Built
2018
7 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
221 ft
4 main spans
Daily traffic
3,586
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 87 S over Is 70 is a prestressed concrete box beam or girders - single or spread carrying Mo 87 S over Is 70 in Cooper County, Missouri. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,586 vehicles a day, roughly 11% of them trucks, projected to reach 5,558 by 2044. The structure is 221 ft (67.5 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesMo 87 S
CrossesIs 70
LocationS 8 T 48 N R 16 W
RouteState Highway 87
Coordinates38.93761, -92.69104
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJuly 2023
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 rating71.4 US tons
Inventory rating33.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length221 ft (67.5 m)
Longest span63 ft (19.2 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,586 (2024)
Projected traffic5,558 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.7 mi (14 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 87 S over Is 70 built?

It was built in 2018, making it 7 years old in 2025.

What condition is Mo 87 S over Is 70 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 July 2023.

How much traffic does Mo 87 S over Is 70 carry?

About 3,586 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 87 S over Is 70?

The structure is 221 ft (67.5 m) long with a longest span of 63 ft (19.2 m) and a deck 32 ft wide.

Who owns Mo 87 S over Is 70?

It is owned by the State Highway Agency.