US Bridges

US 61 S over Main Pumping Dtch

Fair

Clark County, Missouri · S 6 T 64 N R 5 W · Structure no. 3734

Built
1992
33 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
1,245
2024 count
Owner
State
State Highway Agency

About this bridge

US 61 S over Main Pumping Dtch is a prestressed concrete continuous tee beam carrying US 61 S over Main Pumping Dtch in Clark County, Missouri. It was built in 1992, so it is 33 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 1,245 vehicles a day, roughly 27% of them trucks, projected to reach 2,366 by 2044. The structure is 91 ft (27.7 m) long and 46 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesUS 61 S
CrossesMain Pumping Dtch
LocationS 6 T 64 N R 5 W
RouteU.S. Route 61
Coordinates40.36451, -91.4885
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length91 ft (27.7 m)
Longest span34 ft (10.4 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,245 (2024)
Projected traffic2,366 by 2044
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 61 S over Main Pumping Dtch built?

It was built in 1992, making it 33 years old in 2025.

What condition is US 61 S over Main Pumping Dtch 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 November 2023.

How much traffic does US 61 S over Main Pumping Dtch carry?

About 1,245 vehicles per day (2024 count), of which roughly 27% are trucks.

How long is US 61 S over Main Pumping Dtch?

The structure is 91 ft (27.7 m) long with a longest span of 34 ft (10.4 m) and a deck 46 ft wide.

Who owns US 61 S over Main Pumping Dtch?

It is owned by the State Highway Agency.