US Bridges

Mullen RD over West Fk

FairPosted for load

Cass County, Missouri · S 1 T 45 N R 32 W · Structure no. 18164

Built
1999
26 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

Mullen RD over West Fk is a steel stringer/multi-beam or girder carrying Mullen RD over West Fk in Cass County, Missouri. It was built in 1999, so it is 26 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 60 vehicles a day, roughly 10% of them trucks, projected to reach 96 by 2044. The structure is 71 ft (21.6 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMullen RD
CrossesWest Fk
LocationS 1 T 45 N R 32 W
RouteCounty Highway 175
CountyCass County
StateMissouri
Coordinates38.74504, -94.51576
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length71 ft (21.6 m)
Longest span67 ft (20.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic96 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Mullen RD over West Fk built?

It was built in 1999, making it 26 years old in 2025.

What condition is Mullen RD over West Fk in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Mullen RD over West Fk carry?

About 60 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mullen RD over West Fk?

The structure is 71 ft (21.6 m) long with a longest span of 67 ft (20.4 m) and a deck 24 ft wide.

Who owns Mullen RD over West Fk?

It is owned by the County Highway Agency.