US Bridges

Mo 5 S over Blackbird CR

Good

Putnam County, Missouri · S 10 T 65 N R 19 W · Structure no. 33032

Built
2010
15 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
1,494
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 5 S over Blackbird CR is a prestressed concrete box beam or girders - single or spread carrying Mo 5 S over Blackbird CR in Putnam County, Missouri. It was built in 2010, so it is 15 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 1,494 vehicles a day, roughly 19% of them trucks, projected to reach 1,942 by 2044. The structure is 80 ft (24.4 m) long and 30 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesMo 5 S
CrossesBlackbird CR
LocationS 10 T 65 N R 19 W
RouteState Highway 5
Coordinates40.45276, -93.02424
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating56.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span80 ft (24.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,494 (2024)
Projected traffic1,942 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mo 5 S over Blackbird CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Mo 5 S over Blackbird 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 December 2023.

How much traffic does Mo 5 S over Blackbird CR carry?

About 1,494 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Mo 5 S over Blackbird CR?

The structure is 80 ft (24.4 m) long with a longest span of 80 ft (24.4 m) and a deck 30 ft wide.

Who owns Mo 5 S over Blackbird CR?

It is owned by the State Highway Agency.