US Bridges

Mo 22 E over NS RR

Good

Audrain County, Missouri · S 31 T 52 N R 12 W · Structure no. 4406

Built
1997
28 years old
Condition
Good
inspected October 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
187 ft
3 main spans
Daily traffic
4,495
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 22 E over NS RR is a steel continuous stringer/multi-beam or girder carrying Mo 22 E over NS RR in Audrain County, Missouri. It was built in 1997, so it is 28 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 4,495 vehicles a day, roughly 12% of them trucks, projected to reach 6,967 by 2044. The structure is 187 ft (57 m) long and 42 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesMo 22 E
CrossesNS RR
LocationS 31 T 52 N R 12 W
RouteState Highway 22
Coordinates39.24604, -92.30129
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.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.4 US tons
Inventory rating47.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length187 ft (57 m)
Longest span79 ft (24 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,495 (2024)
Projected traffic6,967 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 22 E over NS RR built?

It was built in 1997, making it 28 years old in 2025.

What condition is Mo 22 E over NS RR 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 October 2021.

How much traffic does Mo 22 E over NS RR carry?

About 4,495 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Mo 22 E over NS RR?

The structure is 187 ft (57 m) long with a longest span of 79 ft (24 m) and a deck 42 ft wide.

Who owns Mo 22 E over NS RR?

It is owned by the State Highway Agency.