US Bridges

Rt Aa E over Howard CR

Fair

Cooper County, Missouri · S 1 T 45 N R 17 W · Structure no. 7221

Built
1959
66 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
230
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Aa E over Howard CR is a concrete continuous culvert carrying Rt Aa E over Howard CR in Cooper County, Missouri. It was built in 1959, so it is 66 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 230 vehicles a day, roughly 12% of them trucks, projected to reach 311 by 2044. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesRt Aa E
CrossesHoward CR
LocationS 1 T 45 N R 17 W
RouteState Highway 0AA
CountyCooper County
StateMissouri
Coordinates38.69079, -92.73512
Functional classRural Major Collector

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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 alignment6: Equal to present minimum criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2024)
Projected traffic311 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Rt Aa E over Howard CR built?

It was built in 1959, making it 66 years old in 2025.

What condition is Rt Aa E over Howard 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 July 2023.

How much traffic does Rt Aa E over Howard CR carry?

About 230 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rt Aa E over Howard CR?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Rt Aa E over Howard CR?

It is owned by the State Highway Agency.