US Bridges

US 63 S over Unnamed Stream

Fair

Adair County, Missouri · S 28 T 63 N R 15 W · Structure no. 32810

Built
2009
16 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
30 ft
3 main spans
Daily traffic
7,393
2024 count
Owner
State
State Highway Agency

About this bridge

US 63 S over Unnamed Stream is a concrete continuous culvert carrying US 63 S over Unnamed Stream 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 7,393 vehicles a day, roughly 24% of them trucks, projected to reach 9,611 by 2044. The structure is 30 ft (9.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 63 S
CrossesUnnamed Stream
LocationS 28 T 63 N R 15 W
RouteU.S. Route 63
CountyAdair County
StateMissouri
Coordinates40.23858, -92.57822
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span9 ft (2.7 m)
Deck width40 ft (12.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,393 (2024)
Projected traffic9,611 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 63 S over Unnamed Stream built?

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

What condition is US 63 S over Unnamed Stream 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 Unnamed Stream carry?

About 7,393 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is US 63 S over Unnamed Stream?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m) and a deck 40 ft wide.

Who owns US 63 S over Unnamed Stream?

It is owned by the State Highway Agency.