US Bridges

West Outer RD S over S Grand Rvr

Good

Cass County, Missouri · S 28 T 43 N R 31 W · Structure no. 34677

Built
2011
14 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
274 ft
3 main spans
Daily traffic
270
2024 count
Owner
County
County Highway Agency

About this bridge

West Outer RD S over S Grand Rvr is a prestressed concrete box beam or girders - multiple carrying West Outer RD S over S Grand Rvr in Cass County, Missouri. It was built in 2011, so it is 14 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 270 vehicles a day, roughly 10% of them trucks, projected to reach 432 by 2044. The structure is 274 ft (83.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWest Outer RD S
CrossesS Grand Rvr
LocationS 28 T 43 N R 31 W
RouteCounty Highway 0
Coordinates38.49106, -94.34419
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length274 ft (83.5 m)
Longest span115 ft (35.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2024)
Projected traffic432 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 West Outer RD S over S Grand Rvr built?

It was built in 2011, making it 14 years old in 2025.

What condition is West Outer RD S over S Grand Rvr 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 April 2023.

How much traffic does West Outer RD S over S Grand Rvr carry?

About 270 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is West Outer RD S over S Grand Rvr?

The structure is 274 ft (83.5 m) long with a longest span of 115 ft (35.1 m) and a deck 30 ft wide.

Who owns West Outer RD S over S Grand Rvr?

It is owned by the County Highway Agency.