US Bridges

N Mullen RD over Unnamed CR

Good

Cass County, Missouri · S 12 T 46 N R 33 W · Structure no. 35591

Built
2016
9 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
500
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Mullen RD over Unnamed CR is a concrete culvert carrying N Mullen RD over Unnamed CR in Cass County, Missouri. It was built in 2016, so it is 9 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 500 vehicles a day, roughly 10% of them trucks, projected to reach 800 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN Mullen RD
CrossesUnnamed CR
LocationS 12 T 46 N R 33 W
RouteCity Street 0
Coordinates38.82306, -94.51167
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2024)
Projected traffic800 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 N Mullen RD over Unnamed CR built?

It was built in 2016, making it 9 years old in 2025.

What condition is N Mullen RD over Unnamed CR 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 N Mullen RD over Unnamed CR carry?

About 500 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is N Mullen RD over Unnamed CR?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3.2 m).

Who owns N Mullen RD over Unnamed CR?

It is owned by the City or Municipal Highway Agency.