US Bridges

285 ST over East Br

Fair

Cass County, Missouri · S 16 T 44 N R 31 W · Structure no. 22706

Built
1999
26 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
75
2024 count
Owner
County
County Highway Agency

About this bridge

285 ST over East Br is a steel stringer/multi-beam or girder carrying 285 ST over East Br 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2044. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries285 ST
CrossesEast Br
LocationS 16 T 44 N R 31 W
RouteCounty Highway 370
CountyCass County
StateMissouri
Coordinates38.6032, -94.35559
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating73.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length40 ft (12.2 m)
Longest span36 ft (11 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic120 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 285 ST over East Br built?

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

What condition is 285 ST over East Br 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 July 2024.

How much traffic does 285 ST over East Br carry?

About 75 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 285 ST over East Br?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 24 ft wide.

Who owns 285 ST over East Br?

It is owned by the County Highway Agency.