US Bridges

330th St. over Walnut Creek

Fair

Brown County, Kansas · 0.5N 0.1E of Reserve · Structure no. 000071009103020

Built
1925
100 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
15
2016 count
Owner
County
County Highway Agency

About this bridge

330th St. over Walnut Creek is a steel stringer/multi-beam or girder carrying 330th St. over Walnut Creek in Brown County, Kansas. It was built in 1925, so it is 100 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: open, posting recommended but not legally implemented.

It carries about 15 vehicles a day, projected to reach 17 by 2044. The structure is 31 ft (9.4 m) long and 18 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Carries330th St.
CrossesWalnut Creek
Location0.5N 0.1E of Reserve
RouteCounty Highway 0
StateKansas
Coordinates39.98663, -95.56109
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
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11.9 US tons
Inventory rating7.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length31 ft (9.4 m)
Longest span30 ft (9 m)
Deck width18 ft (5.4 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15 (2016)
Projected traffic17 by 2044
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$43,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 330th St. over Walnut Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is 330th St. 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 January 2025.

How much traffic does 330th St. over Walnut Creek carry?

About 15 vehicles per day (2016 count).

How long is 330th St. over Walnut Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9 m) and a deck 18 ft wide.

Who owns 330th St. over Walnut Creek?

It is owned by the County Highway Agency.