US Bridges

Prairie Fork RD over Prairie Fk CR

Fair

Montgomery County, Missouri · S 16 T 47 N R 6 W · Structure no. 20968

Built
1989
36 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Prairie Fork RD over Prairie Fk CR is a steel stringer/multi-beam or girder carrying Prairie Fork RD over Prairie Fk CR in Montgomery County, Missouri. It was built in 1989, so it is 36 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 63 by 2043. The structure is 73 ft (22.3 m) long and 22 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesPrairie Fork RD
CrossesPrairie Fk CR
LocationS 16 T 47 N R 6 W
RouteCounty Highway 282
CountyMontgomery County
StateMissouri
Coordinates38.84547, -91.59953
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.
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 inspectionJanuary 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.3 US tons
Inventory rating67.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length73 ft (22.3 m)
Longest span68 ft (20.7 m)
Deck width22 ft (6.6 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic63 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Prairie Fork RD over Prairie Fk CR built?

It was built in 1989, making it 36 years old in 2025.

What condition is Prairie Fork RD over Prairie Fk 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 January 2023.

How much traffic does Prairie Fork RD over Prairie Fk CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Prairie Fork RD over Prairie Fk CR?

The structure is 73 ft (22.3 m) long with a longest span of 68 ft (20.7 m) and a deck 22 ft wide.

Who owns Prairie Fork RD over Prairie Fk CR?

It is owned by the County Highway Agency.