US Bridges

Muenks RD over Br of Loutre CR

Fair

Montgomery County, Missouri · S 17 T 49 N R 6 W · Structure no. 18475

Built
1991
34 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

Muenks RD over Br of Loutre CR is a steel stringer/multi-beam or girder carrying Muenks RD over Br of Loutre CR in Montgomery County, Missouri. It was built in 1991, so it is 34 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2043. The structure is 31 ft (9.4 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesMuenks RD
CrossesBr of Loutre CR
LocationS 17 T 49 N R 6 W
RouteCounty Highway 187
CountyMontgomery County
StateMissouri
Coordinates39.01947, -91.61292
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.4 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic44 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Muenks RD over Br of Loutre CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is Muenks RD over Br of Loutre 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 January 2023.

How much traffic does Muenks RD over Br of Loutre CR carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Muenks RD over Br of Loutre CR?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 22 ft wide.

Who owns Muenks RD over Br of Loutre CR?

It is owned by the County Highway Agency.