US Bridges

Hess RD over New Chnl Grand Rvr

Good

Cass County, Missouri · S 12 T 43 N R 32 W · Structure no. 24702

Built
1998
27 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
203 ft
3 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Hess RD over New Chnl Grand Rvr is a prestressed concrete stringer/multi-beam or girder carrying Hess RD over New Chnl Grand Rvr in Cass County, Missouri. It was built in 1998, so it is 27 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 20% of them trucks, projected to reach 160 by 2044. The structure is 203 ft (61.9 m) long and 24 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

CarriesHess RD
CrossesNew Chnl Grand Rvr
LocationS 12 T 43 N R 32 W
RouteCounty Highway 534
Coordinates38.54397, -94.40364
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.3 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length203 ft (61.9 m)
Longest span67 ft (20.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic160 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 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 Hess RD over New Chnl Grand Rvr built?

It was built in 1998, making it 27 years old in 2025.

What condition is Hess RD over New Chnl 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 Hess RD over New Chnl Grand Rvr carry?

About 100 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Hess RD over New Chnl Grand Rvr?

The structure is 203 ft (61.9 m) long with a longest span of 67 ft (20.4 m) and a deck 24 ft wide.

Who owns Hess RD over New Chnl Grand Rvr?

It is owned by the County Highway Agency.