275th ST W over Is 49

Good

Cass County, Missouri · S 16 T 44 N R 31 W · Structure no. 37029

Built: 2023; 2 years old
Condition: Good; inspected June 2024
Type: Tee Beam; Prestressed Concrete
Length: 210 ft; 2 main spans
Daily traffic: 218; 2024 count
Owner: State; State Highway Agency

About this bridge

275th ST W over Is 49 is a prestressed concrete tee beam carrying 275th ST W over Is 49 in Cass County, Missouri. It was built in 2023, so it is 2 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 218 vehicles a day, roughly 17% of them trucks, projected to reach 360 by 2044. The structure is 210 ft (63.9 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries275th ST W

CrossesIs 49

LocationS 16 T 44 N R 31 W

RouteCounty Highway 0

CountyCass County

StateMissouri

Coordinates38.61734, -94.34843

Functional classUrban Local

Condition and inspection

Good

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

Component	Rating	Meaning
Deck	8 Very Good	No problems noted.
Superstructure	7 Good	Some minor problems.
Substructure	9 Excellent	No problems noted.

Last inspectionJune 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourBridge not over waterway

Structural evaluation7: Better than present minimum criteria

Deck geometry2: Basically intolerable, requiring high priority of replacement

Approach roadway alignment8: Equal to present desirable criteria

Operating rating97.2 US tons

Inventory rating38.7 US tons

Structure

Structure typeTee Beam

MaterialPrestressed Concrete

DeckConcrete, cast-in-place

Main spans2

Design loadHL 93

Structure length210 ft (63.9 m)

Longest span103 ft (31.4 m)

Deck width29 ft (8.7 m)

Roadway width26 ft (7.9 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic218 (2024)

Projected traffic360 by 2044

Trucks17%

Lanes on structure2

Traffic directionOne-way traffic

CarriesHighway

CrossesHighway

Detour if closed1.9 mi (3 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—

NavigationNot applicable (no waterway)

Frequently asked questions

When was 275th ST W over Is 49 built?

It was built in 2023, making it 2 years old in 2025.

What condition is 275th ST W over Is 49 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 June 2024.

How much traffic does 275th ST W over Is 49 carry?

About 218 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is 275th ST W over Is 49?

The structure is 210 ft (63.9 m) long with a longest span of 103 ft (31.4 m) and a deck 29 ft wide.

Who owns 275th ST W over Is 49?

It is owned by the State Highway Agency.