US Bridges

County RD 542 over Sugar CR

PoorPosted for load

Osage County, Missouri · S 9 T 41 N R 11 W · Structure no. 18209

Built
1950
75 years old
Condition
Poor
inspected April 2023
Type
Slab
Concrete
Length
74 ft
5 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 542 over Sugar CR is a concrete slab carrying County RD 542 over Sugar CR in Osage County, Missouri. It was built in 1950, so it is 75 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 56 by 2043. The structure is 74 ft (22.6 m) long and 15 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty RD 542
CrossesSugar CR
LocationS 9 T 41 N R 11 W
RouteCounty Highway 177
Coordinates38.30917, -92.15471
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating21.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadOther
Structure length74 ft (22.6 m)
Longest span14 ft (4.3 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic56 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$566,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 542 over Sugar CR built?

It was built in 1950, making it 75 years old in 2025.

What condition is County RD 542 over Sugar CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does County RD 542 over Sugar CR carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 542 over Sugar CR?

The structure is 74 ft (22.6 m) long with a longest span of 14 ft (4.3 m) and a deck 15 ft wide.

Who owns County RD 542 over Sugar CR?

It is owned by the County Highway Agency.