US Bridges

Rs 622 4-W.6 over Trib. Little Blue River

FairPosted for load

Washington County, Kansas · 1.5S 2.6E of Hollenberg · Structure no. 000000001010220

Built
1956
69 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
60 ft
2 main spans
Daily traffic
75
2014 count
Owner
County
County Highway Agency

About this bridge

Rs 622 4-W.6 over Trib. Little Blue River is a steel continuous stringer/multi-beam or girder carrying Rs 622 4-W.6 over Trib. Little Blue River in Washington County, Kansas. It was built in 1956, so it is 69 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 75 vehicles a day, projected to reach 90 by 2043. The structure is 60 ft (18.3 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRs 622 4-W.6
CrossesTrib. Little Blue River
Location1.5S 2.6E of Hollenberg
RouteCounty Highway 622
CountyWashington County
StateKansas
Coordinates39.95803, -96.94424
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.1 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic75 (2014)
Projected traffic90 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 622 4-W.6 over Trib. Little Blue River built?

It was built in 1956, making it 69 years old in 2025.

What condition is Rs 622 4-W.6 over Trib. Little Blue River 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 March 2023.

How much traffic does Rs 622 4-W.6 over Trib. Little Blue River carry?

About 75 vehicles per day (2014 count).

How long is Rs 622 4-W.6 over Trib. Little Blue River?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns Rs 622 4-W.6 over Trib. Little Blue River?

It is owned by the County Highway Agency.