US Bridges

US 169 S over 3rd Fk Platte Rvr

Good

DeKalb County, Missouri · S 27 T 60 N R 33 W · Structure no. 36003

Built
2019
6 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
174 ft
3 main spans
Daily traffic
1,781
2024 count
Owner
State
State Highway Agency

About this bridge

US 169 S over 3rd Fk Platte Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying US 169 S over 3rd Fk Platte Rvr in DeKalb County, Missouri. It was built in 2019, so it is 6 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 1,781 vehicles a day, roughly 9% of them trucks, projected to reach 2,404 by 2044. The structure is 174 ft (52.9 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesUS 169 S
Crosses3rd Fk Platte Rvr
LocationS 27 T 60 N R 33 W
RouteU.S. Route 169
CountyDeKalb County
StateMissouri
Coordinates39.98077, -94.59079
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length174 ft (52.9 m)
Longest span70 ft (21.3 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,781 (2024)
Projected traffic2,404 by 2044
Trucks9%
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

OwnerState Highway Agency
Maintained byState 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 US 169 S over 3rd Fk Platte Rvr built?

It was built in 2019, making it 6 years old in 2025.

What condition is US 169 S over 3rd Fk 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 December 2023.

How much traffic does US 169 S over 3rd Fk Platte Rvr carry?

About 1,781 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is US 169 S over 3rd Fk Platte Rvr?

The structure is 174 ft (52.9 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.

Who owns US 169 S over 3rd Fk Platte Rvr?

It is owned by the State Highway Agency.