US Bridges

County RD 1135 over Muncas CR

Fair

Randolph County, Missouri · S 7 T 54 N R 15 W · Structure no. 18846

Built
1990
35 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1135 over Muncas CR is a steel stringer/multi-beam or girder carrying County RD 1135 over Muncas CR in Randolph County, Missouri. It was built in 1990, so it is 35 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 33 by 2043. The structure is 41 ft (12.5 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty RD 1135
CrossesMuncas CR
LocationS 7 T 54 N R 15 W
RouteCounty Highway 201
Coordinates39.49921, -92.64445
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.5 US tons
Inventory rating43.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic33 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 1135 over Muncas CR built?

It was built in 1990, making it 35 years old in 2025.

What condition is County RD 1135 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 1135 over Muncas CR carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 1135 over Muncas CR?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns County RD 1135 over Muncas CR?

It is owned by the County Highway Agency.