US Bridges

Mo 6 E over BNSF RR

Good

Adair County, Missouri · S 27 T 62 N R 13 W · Structure no. 3756

Built
1988
37 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
202 ft
3 main spans
Daily traffic
3,360
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 6 E over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying Mo 6 E over BNSF RR in Adair County, Missouri. It was built in 1988, so it is 37 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 3,360 vehicles a day, roughly 27% of them trucks, projected to reach 5,880 by 2044. The structure is 202 ft (61.6 m) long and 41 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesMo 6 E
CrossesBNSF RR
LocationS 27 T 62 N R 13 W
RouteState Highway 6
Coordinates40.14154, -92.34564
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 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 alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span68 ft (20.6 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,360 (2024)
Projected traffic5,880 by 2044
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed26.1 mi (42 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 6 E over BNSF RR built?

It was built in 1988, making it 37 years old in 2025.

What condition is Mo 6 E over BNSF 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 December 2023.

How much traffic does Mo 6 E over BNSF RR carry?

About 3,360 vehicles per day (2024 count), of which roughly 27% are trucks.

How long is Mo 6 E over BNSF RR?

The structure is 202 ft (61.6 m) long with a longest span of 68 ft (20.6 m) and a deck 41 ft wide.

Who owns Mo 6 E over BNSF RR?

It is owned by the State Highway Agency.