US Bridges

Bluebird Trail over Mill CR

Fair

Nodaway County, Missouri · S 13 T 66 N R 38 W · Structure no. 31100

Built
2005
20 years old
Condition
Fair
inspected December 2024
Type
Culvert
Steel
Length
25 ft
2 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Bluebird Trail over Mill CR is a steel culvert carrying Bluebird Trail over Mill CR in Nodaway County, Missouri. It was built in 2005, so it is 20 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 5 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 23 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBluebird Trail
CrossesMill CR
LocationS 13 T 66 N R 38 W
RouteCounty Highway 25
Coordinates40.53323, -95.15447
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic23 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Trail over Mill CR built?

It was built in 2005, making it 20 years old in 2025.

What condition is Bluebird Trail 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 December 2024.

How much traffic does Bluebird Trail over Mill CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Bluebird Trail over Mill CR?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m).

Who owns Bluebird Trail over Mill CR?

It is owned by the County Highway Agency.