US Bridges

299 ST over E Br S Grand Rvr

Good

Cass County, Missouri · S 30 T 44 N R 31 W · Structure no. 28730

Built
2002
23 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete
Length
133 ft
3 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

299 ST over E Br S Grand Rvr is a concrete slab carrying 299 ST over E Br S Grand Rvr in Cass County, Missouri. It was built in 2002, so it is 23 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 80 by 2044. The structure is 133 ft (40.5 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries299 ST
CrossesE Br S Grand Rvr
LocationS 30 T 44 N R 31 W
RouteCounty Highway 361
Coordinates38.57429, -94.38525
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span52 ft (15.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic80 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 299 ST over E Br S Grand Rvr built?

It was built in 2002, making it 23 years old in 2025.

What condition is 299 ST over E Br 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 March 2023.

How much traffic does 299 ST over E Br S Grand Rvr carry?

About 50 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 299 ST over E Br S Grand Rvr?

The structure is 133 ft (40.5 m) long with a longest span of 52 ft (15.8 m) and a deck 24 ft wide.

Who owns 299 ST over E Br S Grand Rvr?

It is owned by the County Highway Agency.