US Bridges

Intrurbn RD North over Small CR

FairPosted for load

Platte County, Missouri · S 1 T 54 N R 35 W · Structure no. 33597

Built
2010
15 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
300
2024 count
Owner
County
County Highway Agency

About this bridge

Intrurbn RD North over Small CR is a steel stringer/multi-beam or girder carrying Intrurbn RD North over Small CR in Platte County, Missouri. It was built in 2010, so it is 15 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 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 555 by 2044. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIntrurbn RD North
CrossesSmall CR
LocationS 1 T 54 N R 35 W
RouteCounty Highway 64
Coordinates39.51879, -94.76986
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.5 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2024)
Projected traffic555 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Intrurbn RD North over Small CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Intrurbn RD North over Small 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 April 2024.

How much traffic does Intrurbn RD North over Small CR carry?

About 300 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Intrurbn RD North over Small CR?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns Intrurbn RD North over Small CR?

It is owned by the County Highway Agency.