US Bridges

Mo 3 S over Muncas CR

Good

Randolph County, Missouri · S 23 T 54 N R 16 W · Structure no. 2657

Built
1984
41 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
363
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 3 S over Muncas CR is a prestressed concrete continuous tee beam carrying Mo 3 S over Muncas CR in Randolph County, Missouri. It was built in 1984, so it is 41 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 363 vehicles a day, roughly 14% of them trucks, projected to reach 454 by 2044. The structure is 130 ft (39.6 m) long and 35 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesMo 3 S
CrossesMuncas CR
LocationS 23 T 54 N R 16 W
RouteState Highway 3
Coordinates39.47133, -92.66424
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating16.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 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 traffic363 (2024)
Projected traffic454 by 2044
Trucks14%
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 3 S over Muncas CR built?

It was built in 1984, making it 41 years old in 2025.

What condition is Mo 3 S over Muncas CR 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 December 2024.

How much traffic does Mo 3 S over Muncas CR carry?

About 363 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Mo 3 S over Muncas 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 3 S over Muncas CR?

It is owned by the State Highway Agency.