US Bridges

NE 30 RD over Walnut Creek

Fair

Barton County, Kansas · 3.0N of Great Bend · Structure no. 000000000050890

Built
1948
77 years old, rebuilt 1969
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
129 ft
3 main spans
Daily traffic
2,470
2022 count
Owner
County
County Highway Agency

About this bridge

NE 30 RD over Walnut Creek is a steel continuous stringer/multi-beam or girder carrying NE 30 RD over Walnut Creek in Barton County, Kansas. It was built in 1948 and reconstructed in 1969, so it is 77 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.

It carries about 2,470 vehicles a day, roughly 15% of them trucks, projected to reach 1,165 by 2043. The structure is 129 ft (39.3 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNE 30 RD
CrossesWalnut Creek
Location3.0N of Great Bend
RouteCounty Highway 1936
CountyBarton County
StateKansas
Coordinates38.40534, -98.75545
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 statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.8 US tons
Inventory rating18.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length129 ft (39.3 m)
Longest span43 ft (13.1 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,470 (2022)
Projected traffic1,165 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 NE 30 RD over Walnut Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1969.

What condition is NE 30 RD over Walnut Creek 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 NE 30 RD over Walnut Creek carry?

About 2,470 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is NE 30 RD over Walnut Creek?

The structure is 129 ft (39.3 m) long with a longest span of 43 ft (13.1 m) and a deck 44 ft wide.

Who owns NE 30 RD over Walnut Creek?

It is owned by the County Highway Agency.