US Bridges

Rt a S over Bachelor CR

Poor

Callaway County, Missouri · S 23 T 49 N R 8 W · Structure no. 7765

Built
1954
71 years old
Condition
Poor
inspected October 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
321
2024 count
Owner
State
State Highway Agency

About this bridge

Rt a S over Bachelor CR is a concrete continuous culvert carrying Rt a S over Bachelor CR in Callaway County, Missouri. It was built in 1954, so it is 71 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 321 vehicles a day, roughly 11% of them trucks, projected to reach 498 by 2044. The structure is 21 ft (6.3 m) long and 22 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesRt a S
CrossesBachelor CR
LocationS 23 T 49 N R 8 W
RouteState Highway 0A
Coordinates39.0077, -91.76686
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 protection4 PoorAdvanced section loss, deterioration, 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 within limits of footing or piles
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic321 (2024)
Projected traffic498 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 Rt a S over Bachelor CR built?

It was built in 1954, making it 71 years old in 2025.

What condition is Rt a S over Bachelor 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 Rt a S over Bachelor CR carry?

About 321 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt a S over Bachelor CR?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns Rt a S over Bachelor CR?

It is owned by the State Highway Agency.