US Bridges

Lahmeyer RD over Crider CR

Fair

Gasconade County, Missouri · S 30 T 42 N R 6 W · Structure no. 28596

Built
1999
26 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
35 ft
4 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Lahmeyer RD over Crider CR is a concrete slab carrying Lahmeyer RD over Crider CR in Gasconade County, Missouri. It was built in 1999, so it is 26 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2044. The structure is 35 ft (10.7 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLahmeyer RD
CrossesCrider CR
LocationS 30 T 42 N R 6 W
RouteCounty Highway 112
CountyGasconade County
StateMissouri
Coordinates38.36256, -91.63261
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length35 ft (10.7 m)
Longest span8 ft (2.4 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic60 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Crider CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Lahmeyer RD over 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 Crider CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Lahmeyer RD over Crider CR?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m) and a deck 22 ft wide.

Who owns Lahmeyer RD over Crider CR?

It is owned by the County Highway Agency.