US Bridges

CO RD 378 over Tennessee CR

FairPosted for load

Cass County, Missouri · S 14 T 44 N R 31 W · Structure no. 22878

Built
1995
30 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

CO RD 378 over Tennessee CR is a steel stringer/multi-beam or girder carrying CO RD 378 over Tennessee CR in Cass County, Missouri. It was built in 1995, so it is 30 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 35 vehicles a day, roughly 5% of them trucks, projected to reach 56 by 2044. The structure is 24 ft (7.3 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCO RD 378
CrossesTennessee CR
LocationS 14 T 44 N R 31 W
RouteCounty Highway 378
CountyCass County
StateMissouri
Coordinates38.6023, -94.31649
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.
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 inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.7 US tons
Inventory rating19.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic56 by 2044
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 CO RD 378 over Tennessee CR built?

It was built in 1995, making it 30 years old in 2025.

What condition is CO RD 378 over Tennessee 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 CO RD 378 over Tennessee CR carry?

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

How long is CO RD 378 over Tennessee CR?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 16 ft wide.

Who owns CO RD 378 over Tennessee CR?

It is owned by the County Highway Agency.