US Bridges

Rt M E over Niangua Rvr

Good

Dallas County, Missouri · S 2 T 32 N R 19 W · Structure no. 37115

Built
2024
1 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
358 ft
4 main spans
Daily traffic
587
2024 count
Owner
State
State Highway Agency

About this bridge

Rt M E over Niangua Rvr is a prestressed concrete continuous tee beam carrying Rt M E over Niangua Rvr in Dallas County, Missouri. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 587 vehicles a day, roughly 12% of them trucks, projected to reach 851 by 2044. The structure is 358 ft (109 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRt M E
CrossesNiangua Rvr
LocationS 2 T 32 N R 19 W
RouteState Highway 0M
Coordinates37.52011, -92.98329
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable 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 rating80.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length358 ft (109 m)
Longest span90 ft (27.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic587 (2024)
Projected traffic851 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Rt M E over Niangua Rvr built?

It was built in 2024, making it 1 years old in 2025.

What condition is Rt M E over Niangua 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 June 2024.

How much traffic does Rt M E over Niangua Rvr carry?

About 587 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rt M E over Niangua Rvr?

The structure is 358 ft (109 m) long with a longest span of 90 ft (27.4 m) and a deck 29 ft wide.

Who owns Rt M E over Niangua Rvr?

It is owned by the State Highway Agency.