US Bridges

Bluebird Trl over W Cow CR

Good

Saline County, Missouri · S 14 T 51 N R 21 W · Structure no. 18549

Built
1996
29 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Bluebird Trl over W Cow CR is a prestressed concrete stringer/multi-beam or girder carrying Bluebird Trl over W Cow CR in Saline County, Missouri. It was built in 1996, so it is 29 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 55 by 2044. The structure is 90 ft (27.4 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesBluebird Trl
CrossesW Cow CR
LocationS 14 T 51 N R 21 W
RouteCounty Highway 189
Coordinates39.20309, -93.18412
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span88 ft (26.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic55 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Bluebird Trl over W Cow CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is Bluebird Trl over W Cow 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 March 2024.

How much traffic does Bluebird Trl over W Cow CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Bluebird Trl over W Cow CR?

The structure is 90 ft (27.4 m) long with a longest span of 88 ft (26.8 m) and a deck 26 ft wide.

Who owns Bluebird Trl over W Cow CR?

It is owned by the County Highway Agency.