US Bridges

180th ST over Br of Dog CR

Fair

Daviess County, Missouri · S 8 T 58 N R 28 W · Structure no. 18999

Built
1990
35 years old, rebuilt 2003
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
3 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

180th ST over Br of Dog CR is a steel stringer/multi-beam or girder carrying 180th ST over Br of Dog CR in Daviess County, Missouri. It was built in 1990 and reconstructed in 2003, so it is 35 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 68 ft (20.7 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries180th ST
CrossesBr of Dog CR
LocationS 8 T 58 N R 28 W
RouteCounty Highway 207
Coordinates39.85015, -94.06057
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.
Superstructure7 GoodSome minor problems.
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 inspectionJanuary 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length68 ft (20.7 m)
Longest span40 ft (12.2 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 180th ST over Br of Dog CR built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 2003.

What condition is 180th 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 January 2024.

How much traffic does 180th ST over Br of Dog CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 180th ST over Br of Dog CR?

The structure is 68 ft (20.7 m) long with a longest span of 40 ft (12.2 m) and a deck 15 ft wide.

Who owns 180th ST over Br of Dog CR?

It is owned by the County Highway Agency.