US Bridges

Mo 23 N over Crow CR

Fair

Lafayette County, Missouri · S 21 T 49 N R 24 W · Structure no. 33267

Built
2010
15 years old
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
141 ft
3 main spans
Daily traffic
2,821
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 23 N over Crow CR is a prestressed concrete box beam or girders - single or spread carrying Mo 23 N over Crow CR in Lafayette County, Missouri. It was built in 2010, so it is 15 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 2,821 vehicles a day, roughly 10% of them trucks, projected to reach 4,090 by 2044. The structure is 141 ft (42.9 m) long and 30 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesMo 23 N
CrossesCrow CR
LocationS 21 T 49 N R 24 W
RouteState Highway 23
Coordinates39.01989, -93.56429
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.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.3 US tons
Inventory rating52.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length141 ft (42.9 m)
Longest span50 ft (15.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,821 (2024)
Projected traffic4,090 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 23 N over Crow CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Mo 23 N over Crow 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 January 2023.

How much traffic does Mo 23 N over Crow CR carry?

About 2,821 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 23 N over Crow CR?

The structure is 141 ft (42.9 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns Mo 23 N over Crow CR?

It is owned by the State Highway Agency.