US Bridges

W Prairie RD over Elk CR

FairPosted for load

Pettis County, Missouri · S 30 T 47 N R 23 W · Structure no. 12477

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Channel Beam
Concrete
Length
35 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

W Prairie RD over Elk CR is a concrete channel beam carrying W Prairie RD over Elk CR in Pettis County, Missouri. It was built in 1973, so it is 52 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. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 26 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
CarriesW Prairie RD
CrossesElk CR
LocationS 30 T 47 N R 23 W
RouteCounty Highway 11
CountyPettis County
StateMissouri
Coordinates38.83283, -93.47922
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating10.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic26 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$311,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was W Prairie RD over Elk CR built?

It was built in 1973, making it 52 years old in 2025.

What condition is W Prairie RD over Elk 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 February 2024.

How much traffic does W Prairie RD over Elk CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is W Prairie RD over Elk CR?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 22 ft wide.

Who owns W Prairie RD over Elk CR?

It is owned by the County Highway Agency.