US Bridges

NW Lakesite RD over Br Mid Fk Lost CR

Good

DeKalb County, Missouri · S 21 T 60 N R 31 W · Structure no. 31755

Built
2006
19 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

NW Lakesite RD over Br Mid Fk Lost CR is a steel stringer/multi-beam or girder carrying NW Lakesite RD over Br Mid Fk Lost CR in DeKalb County, Missouri. It was built in 2006, so it is 19 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 54 ft (16.4 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNW Lakesite RD
CrossesBr Mid Fk Lost CR
LocationS 21 T 60 N R 31 W
RouteCounty Highway 109
CountyDeKalb County
StateMissouri
Coordinates40.00489, -94.37818
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionDecember 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.4 m)
Longest span53 ft (16.1 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 NW Lakesite RD over Br Mid Fk Lost CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is NW Lakesite RD over Br Mid Fk Lost CR 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 2024.

How much traffic does NW Lakesite RD over Br Mid Fk Lost CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is NW Lakesite RD over Br Mid Fk Lost CR?

The structure is 54 ft (16.4 m) long with a longest span of 53 ft (16.1 m) and a deck 20 ft wide.

Who owns NW Lakesite RD over Br Mid Fk Lost CR?

It is owned by the County Highway Agency.