US Bridges

County RD #252 over Castor Rvr

PoorPosted for load

Madison County, Missouri · S 30 T 34 N R 8 E · Structure no. 12568

Built
1911
114 years old
Condition
Poor
inspected December 2023
Type
Culvert
Concrete
Length
64 ft
7 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

County RD #252 over Castor Rvr is a concrete culvert carrying County RD #252 over Castor Rvr in Madison County, Missouri. It was built in 1911, so it is 114 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. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2044. The structure is 64 ft (19.5 m) long and 14 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesCounty RD #252
CrossesCastor Rvr
LocationS 30 T 34 N R 8 E
RouteCounty Highway 14
Coordinates37.61565, -90.1988
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
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating15.9 US tons
Inventory rating9.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadOther
Structure length64 ft (19.5 m)
Longest span8 ft (2.4 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic46 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$225,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD #252 over Castor Rvr built?

It was built in 1911, making it 114 years old in 2025.

What condition is County RD #252 over Castor Rvr 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 December 2023.

How much traffic does County RD #252 over Castor Rvr carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD #252 over Castor Rvr?

The structure is 64 ft (19.5 m) long with a longest span of 8 ft (2.4 m) and a deck 14 ft wide.

Who owns County RD #252 over Castor Rvr?

It is owned by the County Highway Agency.