US Bridges

Is 29 S over Owl CR

Poor

Platte County, Missouri · S 25 T 54 N R 35 W · Structure no. 100

Built
1958
67 years old
Condition
Poor
inspected December 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
38,357
2024 count
Owner
State
State Highway Agency

About this bridge

Is 29 S over Owl CR is a concrete continuous culvert carrying Is 29 S over Owl CR in Platte County, Missouri. It was built in 1958, so it is 67 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 38,357 vehicles a day, roughly 25% of them trucks, projected to reach 78,632 by 2044. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 29 S
CrossesOwl CR
LocationS 25 T 54 N R 35 W
RouteInterstate 29
CountyPlatte County
StateMissouri
Coordinates39.45921, -94.7883
Functional classRural Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,357 (2024)
Projected traffic78,632 by 2044
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Is 29 S over Owl CR built?

It was built in 1958, making it 67 years old in 2025.

What condition is Is 29 S over Owl 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 Is 29 S over Owl CR carry?

About 38,357 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is Is 29 S over Owl CR?

The structure is 22 ft (6.6 m) long with a longest span of 9 ft (2.7 m).

Who owns Is 29 S over Owl CR?

It is owned by the State Highway Agency.