US Bridges

Mo 45 S over Brush CR

Fair

Platte County, Missouri · S 19 T 51 N R 34 W · Structure no. 2805

Built
1981
44 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
338 ft
5 main spans
Daily traffic
5,302
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 45 S over Brush CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 45 S over Brush CR in Platte County, Missouri. It was built in 1981, so it is 44 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 5,302 vehicles a day, roughly 17% of them trucks, projected to reach 10,074 by 2044. The structure is 338 ft (103 m) long and 46 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesMo 45 S
CrossesBrush CR
LocationS 19 T 51 N R 34 W
RouteState Highway 45
Coordinates39.22504, -94.75877
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length338 ft (103 m)
Longest span68 ft (20.8 m)
Deck width46 ft (14.1 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,302 (2024)
Projected traffic10,074 by 2044
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemYes

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 45 S over Brush CR built?

It was built in 1981, making it 44 years old in 2025.

What condition is Mo 45 S over Brush 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 October 2024.

How much traffic does Mo 45 S over Brush CR carry?

About 5,302 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Mo 45 S over Brush CR?

The structure is 338 ft (103 m) long with a longest span of 68 ft (20.8 m) and a deck 46 ft wide.

Who owns Mo 45 S over Brush CR?

It is owned by the State Highway Agency.