US Bridges

Mo 51 S over Whitewater Rvr

Fair

Bollinger County, Missouri · S 781 T 33 N R 9 E · Structure no. 3583

Built
1986
39 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
167 ft
2 main spans
Daily traffic
1,417
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 51 S over Whitewater Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 51 S over Whitewater Rvr in Bollinger County, Missouri. It was built in 1986, so it is 39 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 1,417 vehicles a day, roughly 21% of them trucks, projected to reach 2,196 by 2044. The structure is 167 ft (50.9 m) long and 35 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesMo 51 S
CrossesWhitewater Rvr
LocationS 781 T 33 N R 9 E
RouteState Highway 51
CountyBollinger County
StateMissouri
Coordinates37.57896, -90.00136
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span84 ft (25.5 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,417 (2024)
Projected traffic2,196 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

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 Mo 51 S over Whitewater Rvr built?

It was built in 1986, making it 39 years old in 2025.

What condition is Mo 51 S over Whitewater Rvr 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 December 2023.

How much traffic does Mo 51 S over Whitewater Rvr carry?

About 1,417 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Mo 51 S over Whitewater Rvr?

The structure is 167 ft (50.9 m) long with a longest span of 84 ft (25.5 m) and a deck 35 ft wide.

Who owns Mo 51 S over Whitewater Rvr?

It is owned by the State Highway Agency.