US Bridges

Mo 87 S over Blue CR

Fair

Howard County, Missouri · S 4 T 50 N R 17 W · Structure no. 3605

Built
1985
40 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
744
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 87 S over Blue CR is a prestressed concrete continuous tee beam carrying Mo 87 S over Blue CR in Howard County, Missouri. It was built in 1985, so it is 40 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 744 vehicles a day, roughly 11% of them trucks, projected to reach 930 by 2044. The structure is 130 ft (39.6 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesMo 87 S
CrossesBlue CR
LocationS 4 T 50 N R 17 W
RouteState Highway 87
CountyHoward County
StateMissouri
Coordinates39.16361, -92.84152
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span44 ft (13.3 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic744 (2024)
Projected traffic930 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Blue CR built?

It was built in 1985, making it 40 years old in 2025.

What condition is Mo 87 S over Blue 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 Blue CR carry?

About 744 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 87 S over Blue CR?

The structure is 130 ft (39.6 m) long with a longest span of 44 ft (13.3 m) and a deck 35 ft wide.

Who owns Mo 87 S over Blue CR?

It is owned by the State Highway Agency.