US Bridges

Lahmeyer RD over Trib of Crider CR

Fair

Gasconade County, Missouri · S 30 T 42 N R 6 W · Structure no. 16186

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
22 ft
2 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

Lahmeyer RD over Trib of Crider CR is a concrete slab carrying Lahmeyer RD over Trib of Crider CR in Gasconade County, Missouri. It was built in 1970, so it is 55 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 36 by 2044. The structure is 22 ft (6.7 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesLahmeyer RD
CrossesTrib of Crider CR
LocationS 30 T 42 N R 6 W
RouteCounty Highway 113
CountyGasconade County
StateMissouri
Coordinates38.34875, -91.64089
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
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 geometry8: Equal to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length22 ft (6.7 m)
Longest span11 ft (3.4 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic36 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Lahmeyer RD over Trib of Crider CR built?

It was built in 1970, making it 55 years old in 2025.

What condition is Lahmeyer RD over Trib of Crider 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 March 2024.

How much traffic does Lahmeyer RD over Trib of Crider CR carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Lahmeyer RD over Trib of Crider CR?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m) and a deck 16 ft wide.

Who owns Lahmeyer RD over Trib of Crider CR?

It is owned by the County Highway Agency.