US Bridges

Mo 151 S over North Rvr

Good

Knox County, Missouri · S 13 T 60 N R 12 W · Structure no. 35197

Built
2016
9 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
110 ft
2 main spans
Daily traffic
184
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 151 S over North Rvr is a prestressed concrete box beam or girders - single or spread carrying Mo 151 S over North Rvr in Knox County, Missouri. It was built in 2016, so it is 9 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 184 vehicles a day, roughly 19% of them trucks, projected to reach 267 by 2044. The structure is 110 ft (33.4 m) long and 27 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesMo 151 S
CrossesNorth Rvr
LocationS 13 T 60 N R 12 W
RouteState Highway 151
Coordinates40.0084, -92.1762
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length110 ft (33.4 m)
Longest span53 ft (16.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic184 (2024)
Projected traffic267 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 151 S over North Rvr built?

It was built in 2016, making it 9 years old in 2025.

What condition is Mo 151 S over North Rvr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Mo 151 S over North Rvr carry?

About 184 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Mo 151 S over North Rvr?

The structure is 110 ft (33.4 m) long with a longest span of 53 ft (16.2 m) and a deck 27 ft wide.

Who owns Mo 151 S over North Rvr?

It is owned by the State Highway Agency.