US Bridges

Connelly LN over Trib of Grand Rvr

Good

Cass County, Missouri · S 8 T 42 N R 30 W · Structure no. 33511

Built
2010
15 years old
Condition
Good
inspected April 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
20 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Connelly LN over Trib of Grand Rvr is a aluminum, wrought iron, or cast iron culvert carrying Connelly LN over Trib of Grand Rvr 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 good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, roughly 5% of them trucks, projected to reach 24 by 2044. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesConnelly LN
CrossesTrib of Grand Rvr
LocationS 8 T 42 N R 30 W
RouteCounty Highway 358
Coordinates38.465, -94.25222
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert9 ExcellentNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic24 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Connelly LN over Trib of Grand Rvr built?

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

What condition is Connelly LN over Trib of 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 Connelly LN over Trib of Grand Rvr carry?

About 15 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Connelly LN over Trib of Grand Rvr?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns Connelly LN over Trib of Grand Rvr?

It is owned by the County Highway Agency.