US Bridges

Garrison RD over Garrison CR

Fair

Lafayette County, Missouri · S 17 T 50 N R 26 W · Structure no. 33342

Built
2009
16 years old
Condition
Fair
inspected November 2023
Type
Slab
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

Garrison RD over Garrison CR is a prestressed concrete slab carrying Garrison RD over Garrison CR in Lafayette County, Missouri. It was built in 2009, so it is 16 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 5% of them trucks, projected to reach 39 by 2044. The structure is 33 ft (10.1 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesGarrison RD
CrossesGarrison CR
LocationS 17 T 50 N R 26 W
RouteCounty Highway 121
CountyLafayette County
StateMissouri
Coordinates39.12617, -93.79395
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic39 by 2044
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Garrison RD over Garrison CR built?

It was built in 2009, making it 16 years old in 2025.

What condition is Garrison RD over Garrison 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 November 2023.

How much traffic does Garrison RD over Garrison CR carry?

About 30 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Garrison RD over Garrison CR?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns Garrison RD over Garrison CR?

It is owned by the County Highway Agency.