US Bridges

US 63 S over Patterson ST

Fair

Adair County, Missouri · S 11 T 62 N R 15 W · Structure no. 32806

Built
2009
16 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
57 ft
1 main span
Daily traffic
4,655
2024 count
Owner
State
State Highway Agency

About this bridge

US 63 S over Patterson ST is a prestressed concrete continuous stringer/multi-beam or girder carrying US 63 S over Patterson ST 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,655 vehicles a day, roughly 26% of them trucks, projected to reach 6,052 by 2044. The structure is 57 ft (17.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 63 S
CrossesPatterson ST
LocationS 11 T 62 N R 15 W
RouteU.S. Route 63
Coordinates40.18617, -92.55248
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating37.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length57 ft (17.4 m)
Longest span55 ft (16.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,655 (2024)
Projected traffic6,052 by 2044
Trucks26%
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 Patterson ST built?

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

What condition is US 63 S over Patterson ST in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does US 63 S over Patterson ST carry?

About 4,655 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is US 63 S over Patterson ST?

The structure is 57 ft (17.4 m) long with a longest span of 55 ft (16.8 m) and a deck 43 ft wide.

Who owns US 63 S over Patterson ST?

It is owned by the State Highway Agency.