US Bridges

1735 over Marais Des Cygnes

PoorPosted for load

Bates County, Missouri · S 34 T 39 N R 31 W · Structure no. 24764

Built
1994
31 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
157 ft
3 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

1735 over Marais Des Cygnes is a steel stringer/multi-beam or girder carrying 1735 over Marais Des Cygnes in Bates County, Missouri. It was built in 1994, so it is 31 years old, younger 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: posted for load restriction.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 52 by 2043. The structure is 157 ft (47.9 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries1735
CrossesMarais Des Cygnes
LocationS 34 T 39 N R 31 W
RouteCounty Highway 547
Coordinates38.11703, -94.32104
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating23.8 US tons
Inventory rating13.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length157 ft (47.9 m)
Longest span75 ft (22.8 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic52 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 1735 over Marais Des Cygnes built?

It was built in 1994, making it 31 years old in 2025.

What condition is 1735 over Marais Des Cygnes 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 December 2024.

How much traffic does 1735 over Marais Des Cygnes carry?

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

How long is 1735 over Marais Des Cygnes?

The structure is 157 ft (47.9 m) long with a longest span of 75 ft (22.8 m) and a deck 18 ft wide.

Who owns 1735 over Marais Des Cygnes?

It is owned by the County Highway Agency.