US Bridges

180th ST over Dog CR

Good

Daviess County, Missouri · S 8 T 58 N R 28 W · Structure no. 30565

Built
2003
22 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

180th ST over Dog CR is a steel stringer/multi-beam or girder carrying 180th ST over Dog CR in Daviess County, Missouri. It was built in 2003, so it is 22 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 70 ft (21.3 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Carries180th ST
CrossesDog CR
LocationS 8 T 58 N R 28 W
RouteCounty Highway 207
Coordinates39.84822, -94.06052
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating66.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span50 ft (15.1 m)
Deck width23 ft (6.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Dog CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is 180th ST over Dog CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

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

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

How long is 180th ST over Dog CR?

The structure is 70 ft (21.3 m) long with a longest span of 50 ft (15.1 m) and a deck 23 ft wide.

Who owns 180th ST over Dog CR?

It is owned by the County Highway Agency.