US Bridges

County RD 1137 over Muncas CR

Fair

Randolph County, Missouri · S 12 T 54 N R 16 W · Structure no. 18861

Built
1989
36 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
15
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1137 over Muncas CR is a concrete culvert carrying County RD 1137 over Muncas CR in Randolph County, Missouri. It was built in 1989, so it is 36 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 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2043. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCounty RD 1137
CrossesMuncas CR
LocationS 12 T 54 N R 16 W
RouteCounty Highway 202
CountyRandolph County
StateMissouri
Coordinates39.49439, -92.64844
Functional classRural Local

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 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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2023)
Projected traffic17 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County RD 1137 over Muncas CR built?

It was built in 1989, making it 36 years old in 2025.

What condition is County RD 1137 over Muncas 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 County RD 1137 over Muncas CR carry?

About 15 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 1137 over Muncas CR?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns County RD 1137 over Muncas CR?

It is owned by the County Highway Agency.