US Bridges

CO RD SE 550 over Clear Fk

Fair

Johnson County, Missouri · S 24 T 45 N R 25 W · Structure no. 23855

Built
1991
34 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
3 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD SE 550 over Clear Fk is a steel stringer/multi-beam or girder carrying CO RD SE 550 over Clear Fk in Johnson County, Missouri. It was built in 1991, so it is 34 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.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2043. The structure is 140 ft (42.7 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCO RD SE 550
CrossesClear Fk
LocationS 24 T 45 N R 25 W
RouteCounty Highway 437
CountyJohnson County
StateMissouri
Coordinates38.67685, -93.62909
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length140 ft (42.7 m)
Longest span60 ft (18.3 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic160 by 2043
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 CO RD SE 550 over Clear Fk built?

It was built in 1991, making it 34 years old in 2025.

What condition is CO RD SE 550 over Clear 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 December 2024.

How much traffic does CO RD SE 550 over Clear Fk carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is CO RD SE 550 over Clear Fk?

The structure is 140 ft (42.7 m) long with a longest span of 60 ft (18.3 m) and a deck 23 ft wide.

Who owns CO RD SE 550 over Clear Fk?

It is owned by the County Highway Agency.