US Bridges

Mo 151 S over Small CR

Poor

Monroe County, Missouri · S 11 T 53 N R 12 W · Structure no. 8897

Built
1933
92 years old
Condition
Poor
inspected October 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
465
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 151 S over Small CR is a concrete continuous culvert carrying Mo 151 S over Small CR in Monroe County, Missouri. It was built in 1933, so it is 92 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 465 vehicles a day, roughly 16% of them trucks, projected to reach 674 by 2044. The structure is 29 ft (8.9 m) long and 25 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesMo 151 S
CrossesSmall CR
LocationS 11 T 53 N R 12 W
RouteState Highway 151
CountyMonroe County
StateMissouri
Coordinates39.38856, -92.21094
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length29 ft (8.9 m)
Longest span10 ft (3 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic465 (2024)
Projected traffic674 by 2044
Trucks16%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 151 S over Small CR built?

It was built in 1933, making it 92 years old in 2025.

What condition is Mo 151 S over Small CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Mo 151 S over Small CR carry?

About 465 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Mo 151 S over Small CR?

The structure is 29 ft (8.9 m) long with a longest span of 10 ft (3 m) and a deck 25 ft wide.

Who owns Mo 151 S over Small CR?

It is owned by the State Highway Agency.