US Bridges

Rt Hh S over Ackerman Drain Dtc

FairPosted for load

Butler County, Missouri · S 12 T 22 N R 6 E · Structure no. 7586

Built
1954
71 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
3 main spans
Daily traffic
133
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Hh S over Ackerman Drain Dtc is a steel stringer/multi-beam or girder carrying Rt Hh S over Ackerman Drain Dtc in Butler 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 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. Its operating status is: posted for load restriction.

It carries about 133 vehicles a day, roughly 62% of them trucks, projected to reach 200 by 2044. The structure is 67 ft (20.4 m) long and 22 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesRt Hh S
CrossesAckerman Drain Dtc
LocationS 12 T 22 N R 6 E
RouteState Highway 0HH
Coordinates36.56001, -90.37317
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment8: Equal to present desirable criteria
Operating rating28.8 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length67 ft (20.4 m)
Longest span27 ft (8.2 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic133 (2024)
Projected traffic200 by 2044
Trucks62%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Hh S over Ackerman Drain Dtc built?

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

What condition is Rt Hh S over Ackerman Drain Dtc 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 February 2025.

How much traffic does Rt Hh S over Ackerman Drain Dtc carry?

About 133 vehicles per day (2024 count), of which roughly 62% are trucks.

How long is Rt Hh S over Ackerman Drain Dtc?

The structure is 67 ft (20.4 m) long with a longest span of 27 ft (8.2 m) and a deck 22 ft wide.

Who owns Rt Hh S over Ackerman Drain Dtc?

It is owned by the State Highway Agency.