US Bridges

Rt D S over Piper CR

Fair

Polk County, Missouri · S 30 T 34 N R 22 W · Structure no. 2288

Built
1971
54 years old, rebuilt 2024
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
203 ft
4 main spans
Daily traffic
3,050
2024 count
Owner
State
State Highway Agency

About this bridge

Rt D S over Piper CR is a steel continuous stringer/multi-beam or girder carrying Rt D S over Piper CR in Polk County, Missouri. It was built in 1971 and reconstructed in 2024, so it is 54 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 3,050 vehicles a day, roughly 4% of them trucks, projected to reach 4,880 by 2044. The structure is 203 ft (61.9 m) long and 43 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesRt D S
CrossesPiper CR
LocationS 30 T 34 N R 22 W
RouteState Highway 0D
Coordinates37.65037, -93.38852
Functional classRural Major Collector

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 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.6 US tons
Inventory rating29.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length203 ft (61.9 m)
Longest span57 ft (17.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (2024)
Projected traffic4,880 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt D S over Piper CR built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2024.

What condition is Rt D S over Piper 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 2024.

How much traffic does Rt D S over Piper CR carry?

About 3,050 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Rt D S over Piper CR?

The structure is 203 ft (61.9 m) long with a longest span of 57 ft (17.4 m) and a deck 43 ft wide.

Who owns Rt D S over Piper CR?

It is owned by the State Highway Agency.