US Bridges

Mo 139 S over Muddy CR

Fair

Sullivan County, Missouri · S 12 T 61 N R 22 W · Structure no. 9854

Built
1949
76 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
202
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 139 S over Muddy CR is a concrete continuous culvert carrying Mo 139 S over Muddy CR in Sullivan County, Missouri. It was built in 1949, so it is 76 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 202 vehicles a day, roughly 12% of them trucks, projected to reach 253 by 2044. The structure is 21 ft (6.3 m) long and 24 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesMo 139 S
CrossesMuddy CR
LocationS 12 T 61 N R 22 W
RouteState Highway 139
CountySullivan County
StateMissouri
Coordinates40.10324, -93.31947
Functional classRural Major 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic202 (2024)
Projected traffic253 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 139 S over Muddy CR built?

It was built in 1949, making it 76 years old in 2025.

What condition is Mo 139 S over Muddy 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 August 2023.

How much traffic does Mo 139 S over Muddy CR carry?

About 202 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Mo 139 S over Muddy CR?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns Mo 139 S over Muddy CR?

It is owned by the State Highway Agency.