US Bridges

Mo 17 S over Roubidoux CR

Fair

Pulaski County, Missouri · S 24 T 36 N R 12 W · Structure no. 4647

Built
1923
102 years old, rebuilt 1939
Condition
Fair
inspected October 2023
Type
Arch - Deck
Concrete Continuous
Length
416 ft
5 main spans
Daily traffic
12,710
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 17 S over Roubidoux CR is a concrete continuous arch - deck carrying Mo 17 S over Roubidoux CR in Pulaski County, Missouri. It was built in 1923 and reconstructed in 1939, so it is 102 years old, older 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 5 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 12,710 vehicles a day, roughly 10% of them trucks, projected to reach 20,336 by 2044. The structure is 416 ft (126.8 m) long and 41 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesMo 17 S
CrossesRoubidoux CR
LocationS 24 T 36 N R 12 W
RouteState Highway 17
CountyPulaski County
StateMissouri
Coordinates37.82775, -92.20596
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.2 US tons
Inventory rating62.5 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length416 ft (126.8 m)
Longest span80 ft (24.4 m)
Deck width41 ft (12.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,710 (2024)
Projected traffic20,336 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 17 S over Roubidoux CR built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1939.

What condition is Mo 17 S over Roubidoux CR 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 October 2023.

How much traffic does Mo 17 S over Roubidoux CR carry?

About 12,710 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 17 S over Roubidoux CR?

The structure is 416 ft (126.8 m) long with a longest span of 80 ft (24.4 m) and a deck 41 ft wide.

Who owns Mo 17 S over Roubidoux CR?

It is owned by the State Highway Agency.