US Bridges

Mo 45 S over Sherman Br

Fair

Platte County, Missouri · S 29 T 54 N R 36 W · Structure no. 5909

Built
1938
87 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
3,956
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 45 S over Sherman Br is a concrete continuous culvert carrying Mo 45 S over Sherman Br in Platte County, Missouri. It was built in 1938, so it is 87 years old, older 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 3,956 vehicles a day, roughly 12% of them trucks, projected to reach 7,516 by 2044. The structure is 21 ft (6.4 m) long and 44 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesMo 45 S
CrossesSherman Br
LocationS 29 T 54 N R 36 W
RouteState Highway 45
Coordinates39.46505, -94.97485
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
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 rating86.3 US tons
Inventory rating51.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,956 (2024)
Projected traffic7,516 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 45 S over Sherman Br built?

It was built in 1938, making it 87 years old in 2025.

What condition is Mo 45 S over Sherman Br 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 December 2024.

How much traffic does Mo 45 S over Sherman Br carry?

About 3,956 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Mo 45 S over Sherman Br?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 44 ft wide.

Who owns Mo 45 S over Sherman Br?

It is owned by the State Highway Agency.