US Bridges

Mo 87 S over Moniteau CR

Fair

Moniteau County, Missouri · S 19 T 46 N R 14 W · Structure no. 3759

Built
1989
36 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
375 ft
11 main spans
Daily traffic
1,013
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 87 S over Moniteau CR is a prestressed concrete tee beam carrying Mo 87 S over Moniteau CR in Moniteau County, Missouri. It was built in 1989, so it is 36 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 1,013 vehicles a day, roughly 11% of them trucks, projected to reach 1,621 by 2044. The structure is 375 ft (114.3 m) long and 35 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesMo 87 S
CrossesMoniteau CR
LocationS 19 T 46 N R 14 W
RouteState Highway 87
CountyMoniteau County
StateMissouri
Coordinates38.72046, -92.48905
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.4 US tons
Inventory rating48.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length375 ft (114.3 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,013 (2024)
Projected traffic1,621 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 Moniteau CR built?

It was built in 1989, making it 36 years old in 2025.

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

About 1,013 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 87 S over Moniteau CR?

The structure is 375 ft (114.3 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns Mo 87 S over Moniteau CR?

It is owned by the State Highway Agency.