US Bridges

Mo 151 S over Unnamed Tributary

Fair

Shelby County, Missouri · S 8 T 57 N R 12 W · Structure no. 32162

Built
2007
18 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
787
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 151 S over Unnamed Tributary is a concrete continuous culvert carrying Mo 151 S over Unnamed Tributary in Shelby County, Missouri. It was built in 2007, so it is 18 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 787 vehicles a day, roughly 24% of them trucks, projected to reach 1,141 by 2044. The structure is 21 ft (6.5 m) long and 26 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesMo 151 S
CrossesUnnamed Tributary
LocationS 8 T 57 N R 12 W
RouteState Highway 151
CountyShelby County
StateMissouri
Coordinates39.75544, -92.25792
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.5 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic787 (2024)
Projected traffic1,141 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 Unnamed Tributary built?

It was built in 2007, making it 18 years old in 2025.

What condition is Mo 151 S over Unnamed Tributary 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 September 2023.

How much traffic does Mo 151 S over Unnamed Tributary carry?

About 787 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Mo 151 S over Unnamed Tributary?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Mo 151 S over Unnamed Tributary?

It is owned by the State Highway Agency.