US Bridges

315th ST over Sugar CR

Fair

Cass County, Missouri · S 4 T 43 N R 30 W · Structure no. 33980

Built
2010
15 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
51 ft
3 main spans
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

315th ST over Sugar CR is a concrete continuous culvert carrying 315th ST over Sugar CR in Cass County, Missouri. It was built in 2010, so it is 15 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 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 16 by 2044. The structure is 51 ft (15.5 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries315th ST
CrossesSugar CR
LocationS 4 T 43 N R 30 W
RouteCounty Highway 581
CountyCass County
StateMissouri
Coordinates38.54222, -94.23278
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span15 ft (4.6 m)
Deck width35 ft (10.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic16 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 315th ST over Sugar CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is 315th ST 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 April 2023.

How much traffic does 315th ST over Sugar CR carry?

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

How long is 315th ST over Sugar CR?

The structure is 51 ft (15.5 m) long with a longest span of 15 ft (4.6 m) and a deck 35 ft wide.

Who owns 315th ST over Sugar CR?

It is owned by the County Highway Agency.