US Bridges

Mo 47 S over N Br Dry Br CR

Fair

Warren County, Missouri · S 21 T 48 N R 2 W · Structure no. 5268

Built
1930
95 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
10,561
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 47 S over N Br Dry Br CR is a concrete continuous culvert carrying Mo 47 S over N Br Dry Br CR in Warren County, Missouri. It was built in 1930, so it is 95 years old, older 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 5 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 10,561 vehicles a day, roughly 6% of them trucks, projected to reach 21,122 by 2044. The structure is 25 ft (7.6 m) long and 40 ft wide. If it were closed, the detour would be 59 mi (95 km).

Location

Open in Google Maps
CarriesMo 47 S
CrossesN Br Dry Br CR
LocationS 21 T 48 N R 2 W
RouteState Highway 47
CountyWarren County
StateMissouri
Coordinates38.91005, -91.13454
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,561 (2024)
Projected traffic21,122 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed59 mi (95 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 47 S over N Br Dry Br CR built?

It was built in 1930, making it 95 years old in 2025.

What condition is Mo 47 S over N Br Dry Br CR 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 November 2024.

How much traffic does Mo 47 S over N Br Dry Br CR carry?

About 10,561 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Mo 47 S over N Br Dry Br CR?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 40 ft wide.

Who owns Mo 47 S over N Br Dry Br CR?

It is owned by the State Highway Agency.