US Bridges

Mo 87 S over Richland CR

Fair

Howard County, Missouri · S 8 T 50 N R 17 W · Structure no. 3795

Built
1988
37 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
148 ft
3 main spans
Daily traffic
560
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 87 S over Richland CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 87 S over Richland CR in Howard County, Missouri. It was built in 1988, so it is 37 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 560 vehicles a day, roughly 11% of them trucks, projected to reach 700 by 2044. The structure is 148 ft (45.1 m) long and 35 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesMo 87 S
CrossesRichland CR
LocationS 8 T 50 N R 17 W
RouteState Highway 87
CountyHoward County
StateMissouri
Coordinates39.14799, -92.84239
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45.1 m)
Longest span50 ft (15.1 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2024)
Projected traffic700 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 87 S over Richland CR built?

It was built in 1988, making it 37 years old in 2025.

What condition is Mo 87 S over Richland CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Mo 87 S over Richland CR carry?

About 560 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 87 S over Richland CR?

The structure is 148 ft (45.1 m) long with a longest span of 50 ft (15.1 m) and a deck 35 ft wide.

Who owns Mo 87 S over Richland CR?

It is owned by the State Highway Agency.