US Bridges

E Cowden ST over Mill CR

Fair

Polk County, Missouri · S 32 T 32 N R 21 W · Structure no. 33065

Built
2009
16 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
150
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Cowden ST over Mill CR is a concrete slab carrying E Cowden ST over Mill CR in Polk County, Missouri. It was built in 2009, so it is 16 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 218 by 2044. The structure is 32 ft (9.8 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE Cowden ST
CrossesMill CR
LocationS 32 T 32 N R 21 W
RouteCity Street 0
Coordinates37.46306, -93.27064
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic218 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 E Cowden ST over Mill CR built?

It was built in 2009, making it 16 years old in 2025.

What condition is E Cowden ST over Mill 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 April 2024.

How much traffic does E Cowden ST over Mill CR carry?

About 150 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is E Cowden ST over Mill CR?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 20 ft wide.

Who owns E Cowden ST over Mill CR?

It is owned by the City or Municipal Highway Agency.