US Bridges

US 63 S over Bu 63

Good

Adair County, Missouri · S 28 T 63 N R 15 W · Structure no. 32808

Built
2009
16 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
62 ft
1 main span
Daily traffic
5,525
2024 count
Owner
State
State Highway Agency

About this bridge

US 63 S over Bu 63 is a prestressed concrete continuous stringer/multi-beam or girder carrying US 63 S over Bu 63 in Adair County, Missouri. It was built in 2009, so it is 16 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 5,525 vehicles a day, roughly 24% of them trucks, projected to reach 7,183 by 2044. The structure is 62 ft (18.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 63 S
CrossesBu 63
LocationS 28 T 63 N R 15 W
RouteU.S. Route 63
Coordinates40.23822, -92.57782
Functional classUrban Other Principal Arterial

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.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable 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 rating79.4 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,525 (2024)
Projected traffic7,183 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 63 S over Bu 63 built?

It was built in 2009, making it 16 years old in 2025.

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

About 5,525 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is US 63 S over Bu 63?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns US 63 S over Bu 63?

It is owned by the State Highway Agency.