US Bridges

Bu 63 N over US 63

Good

Adair County, Missouri · S 27 T 62 N R 15 W · Structure no. 33150

Built
2010
15 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
139 ft
1 main span
Daily traffic
2,050
2024 count
Owner
State
State Highway Agency

About this bridge

Bu 63 N over US 63 is a steel stringer/multi-beam or girder carrying Bu 63 N over US 63 in Adair County, Missouri. It was built in 2010, so it is 15 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 2,050 vehicles a day, roughly 11% of them trucks, projected to reach 2,665 by 2044. The structure is 139 ft (42.5 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBu 63 N
CrossesUS 63
LocationS 27 T 62 N R 15 W
RouteState Highway 63
Coordinates40.13898, -92.5722
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.3 US tons
Inventory rating55.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length139 ft (42.5 m)
Longest span135 ft (41.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic2,050 (2024)
Projected traffic2,665 by 2044
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bu 63 N over US 63 built?

It was built in 2010, making it 15 years old in 2025.

What condition is Bu 63 N over US 63 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 Bu 63 N over US 63 carry?

About 2,050 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Bu 63 N over US 63?

The structure is 139 ft (42.5 m) long with a longest span of 135 ft (41.1 m) and a deck 27 ft wide.

Who owns Bu 63 N over US 63?

It is owned by the State Highway Agency.