US Bridges

Mo 33 S over Br Lost CR

Fair

DeKalb County, Missouri · S 3 T 58 N R 31 W · Structure no. 250

Built
1959
66 years old, rebuilt 2009
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
149 ft
3 main spans
Daily traffic
2,016
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 33 S over Br Lost CR is a steel continuous stringer/multi-beam or girder carrying Mo 33 S over Br Lost CR in DeKalb County, Missouri. It was built in 1959 and reconstructed in 2009, so it is 66 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 2,016 vehicles a day, roughly 7% of them trucks, projected to reach 2,621 by 2044. The structure is 149 ft (45.4 m) long and 35 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesMo 33 S
CrossesBr Lost CR
LocationS 3 T 58 N R 31 W
RouteState Highway 33
Coordinates39.87457, -94.3598
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.5 US tons
Inventory rating33.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length149 ft (45.4 m)
Longest span56 ft (17.1 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,016 (2024)
Projected traffic2,621 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Mo 33 S over Br Lost CR built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2009.

What condition is Mo 33 S over Br Lost 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 December 2023.

How much traffic does Mo 33 S over Br Lost CR carry?

About 2,016 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Mo 33 S over Br Lost CR?

The structure is 149 ft (45.4 m) long with a longest span of 56 ft (17.1 m) and a deck 35 ft wide.

Who owns Mo 33 S over Br Lost CR?

It is owned by the State Highway Agency.