US Bridges

Stanton RD over Sugar CR

PoorClosed to traffic

Platte County, Missouri · S 35 T 55 N R 37 W · Structure no. 28536

Built
1920
105 years old
Condition
Poor
inspected April 2022
Type
Truss - Thru
Steel
Length
131 ft
1 main span
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

Stanton RD over Sugar CR is a steel truss - thru carrying Stanton RD over Sugar CR in Platte County, Missouri. It was built in 1920, so it is 105 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 4 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: closed to all traffic.

It carries about 60 vehicles a day, roughly 10% of them trucks, projected to reach 111 by 2044. The structure is 131 ft (39.9 m) long and 14 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesStanton RD
CrossesSugar CR
LocationS 35 T 55 N R 37 W
RouteCounty Highway 6
Coordinates39.52725, -95.02474
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2022
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+1 approach)
Design loadOther
Structure length131 ft (39.9 m)
Longest span100 ft (30.5 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic111 by 2044
Trucks10%
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 byOther Local 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$893,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stanton RD over Sugar CR built?

It was built in 1920, making it 105 years old in 2025.

What condition is Stanton RD 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 2022.

How much traffic does Stanton RD over Sugar CR carry?

About 60 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Stanton RD over Sugar CR?

The structure is 131 ft (39.9 m) long with a longest span of 100 ft (30.5 m) and a deck 14 ft wide.

Who owns Stanton RD over Sugar CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.