US Bridges

Mo 17 S over Mustion Br

Fair

Howell County, Missouri · S 33 T 24 N R 8 W · Structure no. 6250

Built
1950
75 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
3,001
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 17 S over Mustion Br is a concrete continuous culvert carrying Mo 17 S over Mustion Br in Howell County, Missouri. It was built in 1950, so it is 75 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 3,001 vehicles a day, roughly 7% of them trucks, projected to reach 4,502 by 2044. The structure is 38 ft (11.6 m) long and 29 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

Location

Open in Google Maps
CarriesMo 17 S
CrossesMustion Br
LocationS 33 T 24 N R 8 W
RouteState Highway 17
CountyHowell County
StateMissouri
Coordinates36.70881, -91.851
Functional classUrban Collector

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87.3 US tons
Inventory rating51.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,001 (2024)
Projected traffic4,502 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 17 S over Mustion Br built?

It was built in 1950, making it 75 years old in 2025.

What condition is Mo 17 S over Mustion Br 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 October 2024.

How much traffic does Mo 17 S over Mustion Br carry?

About 3,001 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Mo 17 S over Mustion Br?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 29 ft wide.

Who owns Mo 17 S over Mustion Br?

It is owned by the State Highway Agency.