US Bridges

Mo 413 S over Mna RR

PoorPosted for load

Greene County, Missouri · S 34 T 29 N R 22 W · Structure no. 10082

Built
1933
92 years old, rebuilt 1963
Condition
Poor
inspected August 2024
Type
Tee Beam
Concrete
Length
158 ft
3 main spans
Daily traffic
28,093
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 413 S over Mna RR is a concrete tee beam carrying Mo 413 S over Mna RR in Greene County, Missouri. It was built in 1933 and reconstructed in 1963, so it is 92 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 28,093 vehicles a day, roughly 8% of them trucks, projected to reach 43,544 by 2044. The structure is 158 ft (48.2 m) long and 65 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMo 413 S
CrossesMna RR
LocationS 34 T 29 N R 22 W
RouteState Highway 413
Coordinates37.18273, -93.32807
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span52 ft (16 m)
Deck width65 ft (19.8 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,093 (2024)
Projected traffic43,544 by 2044
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 413 S over Mna RR built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1963.

What condition is Mo 413 S over Mna RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Mo 413 S over Mna RR carry?

About 28,093 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Mo 413 S over Mna RR?

The structure is 158 ft (48.2 m) long with a longest span of 52 ft (16 m) and a deck 65 ft wide.

Who owns Mo 413 S over Mna RR?

It is owned by the State Highway Agency.