US Bridges

415th RD over Br Shoal CR

Poor

Putnam County, Missouri · S 35 T 66 N R 17 W · Structure no. 32634

Built
2008
17 years old
Condition
Poor
inspected March 2023
Type
Channel Beam
Concrete
Length
35 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

415th RD over Br Shoal CR is a concrete channel beam carrying 415th RD over Br Shoal CR in Putnam County, Missouri. It was built in 2008, so it is 17 years old, younger 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 33 by 2044. The structure is 35 ft (10.7 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries415th RD
CrossesBr Shoal CR
LocationS 35 T 66 N R 17 W
RouteCounty Highway 202
Coordinates40.47767, -92.77626
Functional classRural Local

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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.5 US tons
Inventory rating37.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic33 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$211,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 415th RD over Br Shoal CR built?

It was built in 2008, making it 17 years old in 2025.

What condition is 415th RD over Br Shoal 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 March 2023.

How much traffic does 415th RD over Br Shoal CR carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 415th RD over Br Shoal CR?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 20 ft wide.

Who owns 415th RD over Br Shoal CR?

It is owned by the County Highway Agency.