US Bridges

185th ST over Br of Dog CR

Fair

Daviess County, Missouri · S 9 T 58 N R 28 W · Structure no. 18730

Built
1996
29 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
3 main spans
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

185th ST over Br of Dog CR is a steel stringer/multi-beam or girder carrying 185th ST over Br of Dog CR in Daviess County, Missouri. It was built in 1996, so it is 29 years old, younger 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 41 ft (12.5 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
Carries185th ST
CrossesBr of Dog CR
LocationS 9 T 58 N R 28 W
RouteCounty Highway 197
CountyDaviess County
StateMissouri
Coordinates39.85136, -94.05126
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93.3 US tons
Inventory rating55.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length41 ft (12.5 m)
Longest span19 ft (5.9 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 185th ST over Br of Dog CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is 185th ST over Br of Dog 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 February 2024.

How much traffic does 185th ST over Br of Dog CR carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 185th ST over Br of Dog CR?

The structure is 41 ft (12.5 m) long with a longest span of 19 ft (5.9 m) and a deck 20 ft wide.

Who owns 185th ST over Br of Dog CR?

It is owned by the County Highway Agency.