US Bridges

Mo 51 S over Dry CR

Good

Bollinger County, Missouri · S 30 T 30 N R 10 E · Structure no. 35441

Built
2017
8 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
1,092
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 51 S over Dry CR is a concrete continuous culvert carrying Mo 51 S over Dry CR in Bollinger County, Missouri. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,092 vehicles a day, roughly 21% of them trucks, projected to reach 1,693 by 2044. The structure is 30 ft (9.1 m) long and 50 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesMo 51 S
CrossesDry CR
LocationS 30 T 30 N R 10 E
RouteState Highway 51
Coordinates37.24408, -89.98553
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width50 ft (15.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,092 (2024)
Projected traffic1,693 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 51 S over Dry CR built?

It was built in 2017, making it 8 years old in 2025.

What condition is Mo 51 S over Dry CR 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 January 2024.

How much traffic does Mo 51 S over Dry CR carry?

About 1,092 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Mo 51 S over Dry CR?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 50 ft wide.

Who owns Mo 51 S over Dry CR?

It is owned by the State Highway Agency.