US Bridges

21-DD.3 198 over Trib. Little Blue River

Good

Washington County, Kansas · 2.8E of Barnes · Structure no. 001010875203400

Built
2018
7 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
30
2014 count
Owner
County
County Highway Agency

About this bridge

21-DD.3 198 over Trib. Little Blue River is a steel stringer/multi-beam or girder carrying 21-DD.3 198 over Trib. Little Blue River in Washington County, Kansas. It was built in 2018, so it is 7 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 40 by 2043. The structure is 48 ft (14.6 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries21-DD.3 198
CrossesTrib. Little Blue River
Location2.8E of Barnes
RouteCounty Highway 48
CountyWashington County
StateKansas
Coordinates39.71156, -96.82061
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span47 ft (14.3 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2014)
Projected traffic40 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 21-DD.3 198 over Trib. Little Blue River built?

It was built in 2018, making it 7 years old in 2025.

What condition is 21-DD.3 198 over Trib. Little Blue River 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 March 2023.

How much traffic does 21-DD.3 198 over Trib. Little Blue River carry?

About 30 vehicles per day (2014 count).

How long is 21-DD.3 198 over Trib. Little Blue River?

The structure is 48 ft (14.6 m) long with a longest span of 47 ft (14.3 m) and a deck 27 ft wide.

Who owns 21-DD.3 198 over Trib. Little Blue River?

It is owned by the County Highway Agency.