US Bridges

Humboldt Creek Rd. over Trib. of Clarks Creek

Fair

Geary County, Kansas · 1.8N 6.0E Junction City · Structure no. 000000000310010

Built
1965
60 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
196
2004 count
Owner
County
County Highway Agency

About this bridge

Humboldt Creek Rd. over Trib. of Clarks Creek is a concrete culvert carrying Humboldt Creek Rd. over Trib. of Clarks Creek in Geary County, Kansas. It was built in 1965, so it is 60 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 196 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2039. The structure is 36 ft (11 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHumboldt Creek Rd.
CrossesTrib. of Clarks Creek
Location1.8N 6.0E Junction City
RouteCounty Highway 1089
StateKansas
Coordinates39.05556, -96.72028
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.9 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length36 ft (11 m)
Longest span17 ft (5.2 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic196 (2004)
Projected traffic200 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$380,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Humboldt Creek Rd. over Trib. of Clarks Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Humboldt Creek Rd. over Trib. of Clarks 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 Humboldt Creek Rd. over Trib. of Clarks Creek carry?

About 196 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is Humboldt Creek Rd. over Trib. of Clarks Creek?

The structure is 36 ft (11 m) long with a longest span of 17 ft (5.2 m) and a deck 40 ft wide.

Who owns Humboldt Creek Rd. over Trib. of Clarks Creek?

It is owned by the County Highway Agency.