US Bridges

327 ST over Eight Mile CR

FairPosted for load

Cass County, Missouri · S 14 T 43 N R 31 W · Structure no. 24821

Built
1992
33 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

327 ST over Eight Mile CR is a steel stringer/multi-beam or girder carrying 327 ST over Eight Mile CR in Cass County, Missouri. It was built in 1992, so it is 33 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 6 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 35 vehicles a day, roughly 5% of them trucks, projected to reach 56 by 2044. The structure is 72 ft (21.9 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries327 ST
CrossesEight Mile CR
LocationS 14 T 43 N R 31 W
RouteCounty Highway 558
Coordinates38.52239, -94.31157
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length72 ft (21.9 m)
Longest span68 ft (20.7 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic56 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 327 ST over Eight Mile CR built?

It was built in 1992, making it 33 years old in 2025.

What condition is 327 ST over Eight Mile CR 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 April 2023.

How much traffic does 327 ST over Eight Mile CR carry?

About 35 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 327 ST over Eight Mile CR?

The structure is 72 ft (21.9 m) long with a longest span of 68 ft (20.7 m) and a deck 25 ft wide.

Who owns 327 ST over Eight Mile CR?

It is owned by the County Highway Agency.