US Bridges

Mo 34 E over Black Rvr

Good

Wayne County, Missouri · S 22 T 28 N R 3 E · Structure no. 36724

Built
2022
3 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
973 ft
8 main spans
Daily traffic
322
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 34 E over Black Rvr is a prestressed concrete continuous tee beam carrying Mo 34 E over Black Rvr in Wayne County, Missouri. It was built in 2022, so it is 3 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 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 322 vehicles a day, roughly 14% of them trucks, projected to reach 564 by 2044. The structure is 973 ft (296.5 m) long and 31 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesMo 34 E
CrossesBlack Rvr
LocationS 22 T 28 N R 3 E
RouteState Highway 34
Coordinates37.07905, -90.71465
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating37.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHL 93
Structure length973 ft (296.5 m)
Longest span121 ft (36.9 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic322 (2024)
Projected traffic564 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemYes

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 34 E over Black Rvr built?

It was built in 2022, making it 3 years old in 2025.

What condition is Mo 34 E over Black Rvr 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 34 E over Black Rvr carry?

About 322 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Mo 34 E over Black Rvr?

The structure is 973 ft (296.5 m) long with a longest span of 121 ft (36.9 m) and a deck 31 ft wide.

Who owns Mo 34 E over Black Rvr?

It is owned by the State Highway Agency.