US Bridges

E Prarie Grove RD over S Fork

FairPosted for load

Pettis County, Missouri · S 5 T 46 N R 23 W · Structure no. 12516

Built
1930
95 years old, rebuilt 1986
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

E Prarie Grove RD over S Fork is a steel stringer/multi-beam or girder carrying E Prarie Grove RD over S Fork in Pettis County, Missouri. It was built in 1930 and reconstructed in 1986, so it is 95 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 51 by 2044. The structure is 38 ft (11.6 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesE Prarie Grove RD
CrossesS Fork
LocationS 5 T 46 N R 23 W
RouteCounty Highway 12
CountyPettis County
StateMissouri
Coordinates38.80636, -93.46202
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.9 US tons
Inventory rating10.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length38 ft (11.6 m)
Longest span35 ft (10.7 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic51 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$327,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was E Prarie Grove RD over S Fork built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1986.

What condition is E Prarie Grove RD over S Fork 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 October 2024.

How much traffic does E Prarie Grove RD over S Fork carry?

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

How long is E Prarie Grove RD over S Fork?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 18 ft wide.

Who owns E Prarie Grove RD over S Fork?

It is owned by the County Highway Agency.