US Bridges

Mo 146 E over Sugar CR

Fair

Harrison County, Missouri · S 25 T 62 N R 26 W · Structure no. 4011

Built
1992
33 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
193 ft
3 main spans
Daily traffic
1,030
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 146 E over Sugar CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 146 E over Sugar CR in Harrison 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 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.

It carries about 1,030 vehicles a day, roughly 22% of them trucks, projected to reach 1,339 by 2044. The structure is 193 ft (58.8 m) long and 35 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesMo 146 E
CrossesSugar CR
LocationS 25 T 62 N R 26 W
RouteState Highway 146
CountyHarrison County
StateMissouri
Coordinates40.14505, -93.77661
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating76.4 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length193 ft (58.8 m)
Longest span65 ft (19.7 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,030 (2024)
Projected traffic1,339 by 2044
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 146 E over Sugar CR built?

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

What condition is Mo 146 E over Sugar 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 October 2023.

How much traffic does Mo 146 E over Sugar CR carry?

About 1,030 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Mo 146 E over Sugar CR?

The structure is 193 ft (58.8 m) long with a longest span of 65 ft (19.7 m) and a deck 35 ft wide.

Who owns Mo 146 E over Sugar CR?

It is owned by the State Highway Agency.