US Bridges

Arrow Rock RD over Hauman Br

FairPosted for load

Cooper County, Missouri · S 1 T 49 N R 19 W · Structure no. 12149

Built
1969
56 years old
Condition
Fair
inspected December 2023
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

Arrow Rock RD over Hauman Br is a concrete channel beam carrying Arrow Rock RD over Hauman Br in Cooper County, Missouri. It was built in 1969, so it is 56 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 33 by 2044. The structure is 40 ft (12.2 m) long and 19 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesArrow Rock RD
CrossesHauman Br
LocationS 1 T 49 N R 19 W
RouteCounty Highway 1
CountyCooper County
StateMissouri
Coordinates39.04589, -92.95219
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.8 US tons
Inventory rating10.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadOther
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic33 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$344,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Arrow Rock RD over Hauman Br built?

It was built in 1969, making it 56 years old in 2025.

What condition is Arrow Rock RD over Hauman Br 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 December 2023.

How much traffic does Arrow Rock RD over Hauman Br carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Arrow Rock RD over Hauman Br?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 19 ft wide.

Who owns Arrow Rock RD over Hauman Br?

It is owned by the County Highway Agency.