US Bridges

US 63 S over Mustion CR

Fair

Howell County, Missouri · S 35 T 24 N R 8 W · Structure no. 4471

Built
1952
73 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
188 ft
5 main spans
Daily traffic
6,121
2024 count
Owner
State
State Highway Agency

About this bridge

US 63 S over Mustion CR is a concrete tee beam carrying US 63 S over Mustion CR in Howell County, Missouri. It was built in 1952, so it is 73 years old, older 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 5 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 6,121 vehicles a day, roughly 20% of them trucks, projected to reach 11,630 by 2044. The structure is 188 ft (57.3 m) long and 30 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

Open in Google Maps
CarriesUS 63 S
CrossesMustion CR
LocationS 35 T 24 N R 8 W
RouteU.S. Route 63
CountyHowell County
StateMissouri
Coordinates36.70603, -91.81782
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length188 ft (57.3 m)
Longest span37 ft (11.4 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,121 (2024)
Projected traffic11,630 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 63 S over Mustion CR built?

It was built in 1952, making it 73 years old in 2025.

What condition is US 63 S over Mustion CR 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 2024.

How much traffic does US 63 S over Mustion CR carry?

About 6,121 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is US 63 S over Mustion CR?

The structure is 188 ft (57.3 m) long with a longest span of 37 ft (11.4 m) and a deck 30 ft wide.

Who owns US 63 S over Mustion CR?

It is owned by the State Highway Agency.