US Bridges

US 61 S over Des Moines Rvr BNSF RR

Fair

Clark County, Missouri · S 33 T 65 N R 5 W · Structure no. 3784

Built
1994
31 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,302 ft
7 main spans
Daily traffic
3,134
2024 count
Owner
State
State Highway Agency

About this bridge

US 61 S over Des Moines Rvr BNSF RR is a steel continuous stringer/multi-beam or girder carrying US 61 S over Des Moines Rvr BNSF RR in Clark 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 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 3,134 vehicles a day, roughly 20% of them trucks, projected to reach 5,955 by 2044. The structure is 1,302 ft (396.8 m) long and 43 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesUS 61 S
CrossesDes Moines Rvr BNSF RR
LocationS 33 T 65 N R 5 W
RouteU.S. Route 61
Coordinates40.38468, -91.4376
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.4 US tons
Inventory rating37.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length1,302 ft (396.8 m)
Longest span192 ft (58.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,134 (2024)
Projected traffic5,955 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed31.7 mi (51 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 Des Moines Rvr BNSF RR built?

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

What condition is US 61 S over Des Moines Rvr BNSF RR 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 August 2024.

How much traffic does US 61 S over Des Moines Rvr BNSF RR carry?

About 3,134 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is US 61 S over Des Moines Rvr BNSF RR?

The structure is 1,302 ft (396.8 m) long with a longest span of 192 ft (58.5 m) and a deck 43 ft wide.

Who owns US 61 S over Des Moines Rvr BNSF RR?

It is owned by the State Highway Agency.