US Bridges

SE Mitchell RD over Platte Rvr

Good

Buchanan County, Missouri · S 17 T 57 N R 34 W · Structure no. 13712

Built
1992
33 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
203 ft
3 main spans
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

SE Mitchell RD over Platte Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying SE Mitchell RD over Platte Rvr in Buchanan County, Missouri. It was built in 1992, so it is 33 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 10% of them trucks, projected to reach 173 by 2044. The structure is 203 ft (61.9 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSE Mitchell RD
CrossesPlatte Rvr
LocationS 17 T 57 N R 34 W
RouteCounty Highway 45
Coordinates39.75528, -94.73074
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than 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 alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span80 ft (24.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic173 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SE Mitchell RD over Platte Rvr built?

It was built in 1992, making it 33 years old in 2025.

What condition is SE Mitchell RD over Platte Rvr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does SE Mitchell RD over Platte Rvr carry?

About 150 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SE Mitchell RD over Platte Rvr?

The structure is 203 ft (61.9 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.

Who owns SE Mitchell RD over Platte Rvr?

It is owned by the County Highway Agency.