US Bridges

Mo 9 S over Burlington CR

Poor

Platte County, Missouri · S 31 T 50 N R 33 W · Structure no. 1762

Built
1968
57 years old
Condition
Poor
inspected December 2024
Type
Culvert
Concrete Continuous
Length
41 ft
2 main spans
Daily traffic
13,459
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 9 S over Burlington CR is a concrete continuous culvert carrying Mo 9 S over Burlington CR in Platte County, Missouri. It was built in 1968, so it is 57 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 13,459 vehicles a day, roughly 5% of them trucks, projected to reach 25,572 by 2044. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMo 9 S
CrossesBurlington CR
LocationS 31 T 50 N R 33 W
RouteState Highway 9
Coordinates39.178, -94.64944
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length41 ft (12.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,459 (2024)
Projected traffic25,572 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 9 S over Burlington CR built?

It was built in 1968, making it 57 years old in 2025.

What condition is Mo 9 S over Burlington CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Mo 9 S over Burlington CR carry?

About 13,459 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mo 9 S over Burlington CR?

The structure is 41 ft (12.5 m) long with a longest span of 14 ft (4.3 m).

Who owns Mo 9 S over Burlington CR?

It is owned by the State Highway Agency.