US Bridges

400 Ave (U34-E70) over Herrington Lake

Fair

Dickinson County, Kansas · 2170 400 Ave · Structure no. 000210857704860

Built
1977
48 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
100
2011 count
Owner
County
County Highway Agency

About this bridge

400 Ave (U34-E70) over Herrington Lake is a prestressed concrete tee beam carrying 400 Ave (U34-E70) over Herrington Lake in Dickinson County, Kansas. It was built in 1977, so it is 48 years old, younger 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.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 100 by 2043. The structure is 90 ft (27.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries400 Ave (U34-E70)
CrossesHerrington Lake
Location2170 400 Ave
RouteCounty Highway 0
CountyDickinson County
StateKansas
Coordinates38.65274, -96.99052
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.6 US tons
Inventory rating45.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length90 ft (27.4 m)
Longest span54 ft (16.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic100 (2011)
Projected traffic100 by 2043
Trucks15%
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 400 Ave (U34-E70) over Herrington Lake built?

It was built in 1977, making it 48 years old in 2025.

What condition is 400 Ave (U34-E70) over Herrington Lake 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 400 Ave (U34-E70) over Herrington Lake carry?

About 100 vehicles per day (2011 count), of which roughly 15% are trucks.

How long is 400 Ave (U34-E70) over Herrington Lake?

The structure is 90 ft (27.4 m) long with a longest span of 54 ft (16.6 m) and a deck 26 ft wide.

Who owns 400 Ave (U34-E70) over Herrington Lake?

It is owned by the County Highway Agency.