US Bridges

Rt Bb S over Auglaize CR

Poor

Laclede County, Missouri · S 19 T 36 N R 15 W · Structure no. 7800

Built
1954
71 years old
Condition
Poor
inspected August 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
568
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Bb S over Auglaize CR is a concrete continuous culvert carrying Rt Bb S over Auglaize CR in Laclede 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 568 vehicles a day, roughly 10% of them trucks, projected to reach 852 by 2044. The structure is 37 ft (11.3 m) long and 25 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesRt Bb S
CrossesAuglaize CR
LocationS 19 T 36 N R 15 W
RouteState Highway 0BB
Coordinates37.83451, -92.62593
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic568 (2024)
Projected traffic852 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Bb S over Auglaize CR built?

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

What condition is Rt Bb S over Auglaize 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 August 2023.

How much traffic does Rt Bb S over Auglaize CR carry?

About 568 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt Bb S over Auglaize CR?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m) and a deck 25 ft wide.

Who owns Rt Bb S over Auglaize CR?

It is owned by the State Highway Agency.