US Bridges

Stringtown RD over Prairie CR

Fair

Jackson County, Missouri · S 35 T 47 N R 30 W · Structure no. 22161

Built
1976
49 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
102 ft
2 main spans
Daily traffic
120
2024 count
Owner
County
County Highway Agency

About this bridge

Stringtown RD over Prairie CR is a prestressed concrete tee beam carrying Stringtown RD over Prairie CR in Jackson County, Missouri. It was built in 1976, so it is 49 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 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 120 vehicles a day, roughly 2% of them trucks, projected to reach 180 by 2044. The structure is 102 ft (31.1 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesStringtown RD
CrossesPrairie CR
LocationS 35 T 47 N R 30 W
RouteCounty Highway 342
CountyJackson County
StateMissouri
Coordinates38.84934, -94.20907
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating28.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length102 ft (31.1 m)
Longest span50 ft (15.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2024)
Projected traffic180 by 2044
Trucks2%
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 Stringtown RD over Prairie CR built?

It was built in 1976, making it 49 years old in 2025.

What condition is Stringtown RD over Prairie 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 2023.

How much traffic does Stringtown RD over Prairie CR carry?

About 120 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Stringtown RD over Prairie CR?

The structure is 102 ft (31.1 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns Stringtown RD over Prairie CR?

It is owned by the County Highway Agency.