US Bridges

Rt Y E over Cowskin CR

Good

Douglas County, Missouri · S 8 T 26 N R 16 W · Structure no. 8501

Built
1957
68 years old
Condition
Good
inspected February 2025
Type
Culvert
Steel
Length
24 ft
8 main spans
Daily traffic
1,340
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Y E over Cowskin CR is a steel culvert carrying Rt Y E over Cowskin CR in Douglas County, Missouri. It was built in 1957, so it is 68 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,340 vehicles a day, roughly 6% of them trucks, projected to reach 2,077 by 2044. The structure is 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Y E
CrossesCowskin CR
LocationS 8 T 26 N R 16 W
RouteState Highway 0Y
Coordinates36.96513, -92.72584
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans8
Design loadOther
Structure length24 ft (7.3 m)
Longest span2 ft (0.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,340 (2024)
Projected traffic2,077 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Rt Y E over Cowskin CR built?

It was built in 1957, making it 68 years old in 2025.

What condition is Rt Y E over Cowskin CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does Rt Y E over Cowskin CR carry?

About 1,340 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Rt Y E over Cowskin CR?

The structure is 24 ft (7.3 m) long with a longest span of 2 ft (0.6 m) and a deck 24 ft wide.

Who owns Rt Y E over Cowskin CR?

It is owned by the State Highway Agency.